Luna Sea and X-Japan are like family. X-Japan actually helps Luna Sea to start their career. They are always working with one another interchanegably and now Sugizo is also a member of X-Japan.
He should have never picked up Hideto's guitar. It's absolutely unconscionable and shows exactly how greedy Yoshiki is and just how far he'll bend to get attention, acceptance and lots of sweet sweet money. I will forever believe that Yoshiki is the reason hide is no longer on this earth.