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He wrote and contributed in composing this masterpiece himself

I am genuinely so proud of him😭 tbh i expected at least a bit of rap but he just went all in vocally! Just thinking about how he was insecure about them but now he got the opportunity to showcast his ability in singing more and:(( not only is it soo good vocally but also the lyrics, the whole thing is just amazing❤️

I really like how you said "Felix is a sunshine person, so even when he's just slightly sad it's like the sun stops shining" because it really is that way, felix is always so happy on camera so it's sad to see him write lyrics like this😕it's definitely one of my favorites in the album

I read a comment saying he’s like Felix ft Felix & Felix, and it’s so true, his versatility in his voice is so unique and special… and it gets you every time. He’s phenomenal ❤

Never cry this much.... Felix's voice makes you feel things... Soul level.

Yes he wrote the lyrics himself and he helped produce this. This is so raw and vulnerable. Sounds like we are listening to him just sing to himself in his room. His range is insane! The person that helped him produce this said he covered 3 full octaves! Insane!

The words “honestly” and “heal” are words we hear from Felix all the time. This came straight from his heart and we all can feel it.

i can't believe its the same person T T it lowkey feels like 3 different people are singing the song tho- I'm proud of him!

"yk how people have a face reveal? Well Felix just did a VOICE REVEAL" lmfao yeah nobody literally expected that!!!😭

Skz replay was so exciting for me and Felix absolutely killed it, he did an amazing job and i love how they utilise his vocal range

Felix is a special gift, I'm so in love with the versatility of his voice, he's so talented 😿💕 and the lyrics really sent me to the space or somewhere, I cried

Now THIS is the reaction i was looking for!!! ^^ I knew you would love this song. Our dear sunshine did so so well! He described "Deep End" as kinda La la land / asmr style song which i think fits perfectly. I mean i cant be the only one that has cried before going to sleep while listening to it hahaha Felix has been shy and insecure before about his singing but we had listened to him before. I remember specially this one live when he covered Finneas' "Break my heart again" and other songs as well and he was so good but also so shy... even so that Chan called him in the middle of his live for some support and encouraging (our caring leader!) Anyways!! I really liked the video! We can all agree on how proud we are of Felix! PS: HAPPY NEW YEAR!!!

This vulnerability is 100% why we love Felix. You can't help but want to scoop him up and protect him. We are already protective of Felix, but after hearing Deep End I wanted to battle every demon he had or will face going forward! Seriously, though, Deep End is raw emotion and flays us with every word. Well done, Felix. Thank you, Katriinka, for the reaction!

I LOVE YOU 😭 AND I LOVE YOUR REACTIONS SO MUCH ❤ Felix said that he trained a lot to improve his voice, and that he was not confident of his ability to sing until the members encouraged him. Chan said that Felix's voice really deserves to be shown. He has the ability to control the layers of his voice. He really has a golden throat. With continuous training, Felix became more confident. In his singing proud sunshine yeongbok 🐥

I'm so proud of Felix, that he wrote this song. It's so emotional, i cried a few times listening to this song. He needs to write and record more of these songs.

In taste with danceracha felix also used his insane vocal range as the last falsetto that I and others believed was hyunjin turned out to be felix and it got confirmed by staff

If you ever react to TASTE by Danceracha (Felix, Lee Know, Hyunjin), keep in mind that the colour coded lyrics are kind of wrong. In the live version we see that the last falceto is Felix's and it always blew my mind until I heard Deep end.

felix has a knack of stepping out of his comfort zone. It reminds me of his freckles which has been hidden under make up until he started rubbing them off and out in the open. And since he already does and likes asmr, he uses asmr to bare his raw voice and even layered it in ways that i still get goosebumps no matter how many times i listen to it. --- oh, and the way he sang also reminds me of his vlive singing Break My Heart and chan called him and complimented his singing.

I've been wanting to join your Patreon since I saw your first Stray Kids reaction (PRICELESS!!). I'm so happy I'm finally able to do so. I absolutely LOVED this!! Question: HOW did you not cry?? The first, mmmm...50 times I heard this song I couldn't stop myself from crying. I love the way you describe Felix and the effect he has on us. God took extra time and extra special care with our 용복이!! He is TOO MANY THINGS!!! Since the Stray Kids Survival Show, we've been given glimpses of his vocals and his range. THIS song leaves no doubt he has a GORGEOUS singing voice. I'm so very proud of my Baby.

Deep End is my absolute favorite in this album So emotional😭😭💕💕

I love felix's vioce 💞💞💞🤟

Katrinka, you did such a beautiful reaction to Felix's song. Each tone of voice traveled under the skin, causing such a unique sensation. As you said, that is like a light feather, but at the same time, it is so strong and powerful that it can cut and go DEEP into our hearts 💕 💞. Thanks so much for reacting 🌷

the duality of our yongbok, he can be soft and cute, but the can be hot as hell too

there is something so magical in seeing someone as gifted and vulnerable as Felix,

Deep End is part of Stray Kids’ Skz-Replay album where each member has their own solo song where they were able to write their own lyrics. The lyrics for Deep End are 100% credited to Felix and helped compose it. I think you’d love to listen to Lee Know’s sing “Limbo”

I sound like a simp but there is something very special about Felix. He seems so kind and genuine. And I don’t think he knows how talented he really is.

This song now occupies first position on the Genius Korea Year End song chart for 2023 ….wtg Felix👏🏻👏🏻👏🏻

I played "Deep End" to my mom (she sadly isn't a fan of Stray Kids and kpop and all; she thinks both them and everyone else in this industry are creating sh*t music), she listened to the first 3 verses (so, I included the change of tone), and I asked her who she likes more, the first singer or the second. She picked the first one (so the low voice), and when I revealed that both of them are one and the same person, and that is Felix (she knows who it is, as it's my ultimate bias), she even looked lightly shocked ;)

Felix isn't dualistic. He just as range! From the tone of his voice to his ability to embody any concept, he is able to adapt and showcase the best parts of himself in any given situation. I'm so proud of him!

how did felix know this is exactly what i am going through... it's like he wrote it for me😭😄 💕 he is just so precious. thankful he dared to share this with us, as raw as it is, he cuts deep into our heart.

Thanks for your react ! Deep End is my favorite song in this album SKZ REPLAY ! I also like the other songs, but, this iis a real surprise with the 3 voices tones ! Very good job Felix 👍! So proud of him💓.

I didn't even watch yet, just saw the notification and clicked right away. Thank you so very much for this reaction. Hope you're able to put your reaction to Lee Know's Limbo too. Happy New Year honey☺️☺️ wish you the best for this year

as someone whos ult is felix, i am so insanely proud of him :(

Great reaction! I really love this song and it really suits Felix. The whole new album is a no skip album and all the members made songs that are really them. So I can't wait for you to react to more of the new album aswel. The first time I heared this song I just had to cry. Very good emotional song :).

Love Felix voice and love your video as always. (But this video should be title "how start a new year with emotional damage" xD I mean Felix's Deep End is really a great song but it's always bring tears in my eyes when I listen it 😭 ) Happy new year 🥰

I don't think I've ever clicked a react and dissect video so quickly. Thank you for all you do 🤗

omg this reaction! this song is so good & i can feel the emotions felix put into this. also you are so beautiful! have a wonderful day!

Her voice is incredible it's art

Thank you so much for reacting to this!! 💛 Hearing your professional remarks makes us appreciate him and his music even more

His voice is really special. Felix is amazing TT Thank you for the reaction! ♥

i still cry every single time i listen to this song. thank you for the reaction

Every time Felix sings, I'm left speechless. He's just that amazing

Thank you so much to reacting this!♡. So emotional💛😭. I love felix's voice♡.

Thank you for the reaction🥰 All of the solo songs are written by the members themselves

My bias is Felix forever

Felix's voice is the secret ingredient that turns a good song into a masterpiece.

I'm a relatively new Kstay and I loved this reaction so much! Partly because your affection for Felix really shows throughout the video :) And I think it's helped me understand the song a little better. Definitely going to watch your other reaction videos to Felix!

I love your reaction 💖 is so clear. Deep End is a beautiful song 🌟 Lixie is a great writter 😍

Woah, you really kept your word. I didn't expect you to react this early though, I thought I had to wait for a few more days after the holidays. Been actually waiting for your reaction since Deep End was released. I enjoy watching your videos because I feel like your reactions are the best and always real. Thank you!

CLICKED ON THIS SO FAST OH MY GOD

so glad you reacted to Deep End. I knew you'd love it. I really hope Felix sees this or hears about it....I am.so glad he's gotten confident enough to do a full solo. And such a gorgeous sad one too. Gosh.

YAY FINALLY YOU DID IT!! Who hurt Felix and ghoted him they have first class ticket to hell.

Felix's voice is so unique..n magical....n hv many octaves..just listening to his voice....n it tell a story....n very Soothings...to listens..

loved your reaction, thank you

oh I wanna cry watching this ;( partly because the song it self, and secondly seeing you almost tear up by the song is really expressed the pain when I listen it for the first time

OUR SUNSHINE

Omg, I was waiting for this reaction thank you :D

He said he made this song so it's like ASMR, so i think that's why he uses a lot of air and fry with his voice 🤔and it fits the song so well, I'm glad the producer and him decided to go that route. The producer said he was really surprised by Felix vocal range

I’ve listened to this song well over a hundred times by now and I still teared up right along with you 💕

You have such a nice and kind soul. Thank you so much for your reaction 🧚‍♀️🤍

I cried so hard in the first listen, I’m so proud of him (“: hope you can react to Lee Know’s Limbo too !!

I should be asleep right now but when I tell you I clicked faster than lightening 😂

I cried so hard the first time I heard this song. I am so proud of him for this song. The fact that he wrote this himself and helped produce it too. He really is so talented. This song really spoke to my heart.

Excellent reaction! This song is so beautiful

When I first heard this song I immediately thought of finneas (billies brother) he makes Musik pretty similar to this(using high and deep voice, harmonizing with himself, similar production) I love this song so much because it feels so genuine and felix was finally able to show his vocal skills

It's interesting that Felix and Han are your two main biases. They are known as the sunshine twins. ❤

Omggg thank you for this! 🥺 I love how you appreciate Felix's voice. He is literally harmonizing with himself. 😍

I was looking forward to your reaction because I knew it would be so... real! I think many people can relate to the lyrics of Deep End, combined with Felix' soothing voice it's made to make us all emotional. And it was finally a song were Felix is more than "just the deep voice" and could showcase his full potential. Thank you for making these genuine and educational reactions & have a great start into 2023~ 🤍

I was looking forward to a vocal coach reacting to Felix's solo effort. Thank you so much for doing this reaction.

Lix' range always shocks me. I've been a Stay since 2019 and I'm still not used to it

Exactly!! I couldn't recognize his 2nd voice here so at 1st i doubt this is a solo song😅 and yes usually i also proud of my ability to differentiate a voice

Thank you so much because for your awesome reaction 💙

This song is so beautiful. I wanna cry. Thanks for reacting.

Such nice and touching comments on top of the gorgeous song. I cried the whole way through just an emotional mess💙💙

I’m so soooo proud of my sunshine, really, he is so talented and such a great person. We love u Felix ! 🫶🏼

He's so soft and kind and it did translate to his singing voice. 😭

This reaction was so good!! Felix's voice really does make you feel things!! Also, Lee Know and Felix are my biases as well!! I just subbed!!

The best reaction. I had tears while listening you. (I know english language just a little, realy, but I understood a lot )

im in love wiht deep end. when i showed it to my dad and told him the same person sang the whole song, he was rlly surprised and now he loves this song XD.

Hi! I just want to write that I liked your reaction and it was nice to get it in recommendations :) And that this song is the only one that helps me to fall asleep recent months. I love everything in it, it’s so calm and sad.

If you enjoy this type of music Katriinka (focus on vocal, with minimal instrumentals) I highly recommend you listen to Bang Chan's "I hate to admit" or Changbin's "Streetlight" (they are songs they released on youtube before), they have a very similar vibe and also makes you feel all the emotions.

favorite song of 2023 already

I really like to heard him n perform live...on stage..

Im so proud of him for this song, cause honestly this is my favorite song right now. I will never forget the feeling when I heart Deep End for the first time. I cried. And still do.

The other one from this album that I most hope you'll react to is Lee Know's "Limbo."

Deep End is the type of song that can become a flop easily. And Felix didn't have enought confident / skill for his vocal. It's such a biggest challenge I've ever seen this year. I cried after listening it for first time. And I'm still emotional whenever I heard deep end. It's not because of "by Felix " , I just love the deep end by itself. I am proud of him. Ruthless but fact , he is already famous and stable for his idol carrier . But he did it. He never stopped improving himself. Sorry about my English.

Thank u so much for taking ur time to react to ur Sunshine ! It's one of my fav song from SKZ Replay and I really want ur reaction as a vocal coach on my other two fav songs which are also ballads from Lee Know's Limbo and Seungmin's Stars and Rain drops..pls I just want ur reaction on these two songs out of 25 songs which they released in this songs...pls I'm waiting for ur reaction on these two songs... can't wait...💝💝💝

Thankyou so much for Reacting !! Please do more n more StrayKids.! And If Possible please React to Other 7 Solo Songs as well of StrayKids from their SKZ Replay Album.! (Connected by Bangchan, Limbo by LeeKnow, Doodle by Changbin, Love Untold by Hyunjin, Run by Han, Stars and Raindrops by Seungmin and Hug Me by I.N.) Please react to The Ost sang by Our Seungmin for Two K-Dramas !! ("Here Always" and "Close to You" from "Hometown Cha cha cha" and "Love is Contract" Dramas Respectively.!) Please react to Solo Songs of Han as well (Close, Alien, Happy ) and Solo Song of BangChan (I hate to Admit) , Solo Songs of Hyunjin (Ice.cream and Miss you )

I thought the same as you, that the production style reminded me of Billie Eilish in totally a good way cause I love them both, but yeah this is our amazing Felix, he is so precious ! ❤❤

Loved your reaction to this and you breaking down his stunning vocal range. His versatility is as surprising as it is gorgeous and I really appreciate your take on this. He broke everyone with this song and has got everyone emotional, now every Stay is even more protective of him!

I cried when I listened to this for the first time. His voice brought me so many emotions. The tone he has really conveyed the lyrics in all of the different sections... The vocal harmonies and the space in the mix were very beautiful with the piano. I liked that it went to major when ge sang alive. I'm also emotional bc I'm proud of Felix not only for the song but because I know he must have had a lot of courage to put this out since he has been a bit insecure when it comes to his mid and upper register! It's not easy to put out a song like this too bc I feels so "bare" and "raw", like he is exposing his inner emotions. As a person who tries to improve my voice tequniqe, I really like your commentary in your videos cos you pause quite a bit and explain, thank you for that! I learned a good vowel for belting today wich I have struggled with. Also how you described Felix as a fine wine I love it! Sorry for the long comment but I just wanted to show my appreciation for both felix but also for you! Thank you so much for the reaction! I hope you'll have a good 2023! 🥰

Thank you for your reaction! Felix really surprised me with this, he's so talented. He did write the lyrics all by himself btw

If you want to hear another song like that for Felix where he sings like that, I'd recommend GLOW, it was actually a pre-debut song from their survival show but that was the first time I heard Felix's vocals like that!

I really like this song, thank you for your reaction.

Couldn’t click fast enough on the notification 😊

Hi. This is the first video of yours I've seen, and I just wanted to say that you have a really pretty singing voice. x

He’s sang like this in the past. I would recommend listening to Levanter from the survival show with Felix, Changbin, and Lee Know. 💗

you need to listen to the solos he did on the maniac tour!!

just want to say you're precious too and your videos always make me happier. send lots of love, thank you for all ❤