Responses
Y is Wang Yi, probably his name when he was a part of the system. And it's probably the true form of X since it's his first appearance, as we saw in flashbacks and all
No, I meant how did he become that... Slimy thing?
his reincarnation. in every world he has different forms, but they're all him.
So I guess it's one of his abilities that he gained?
Who's Y? Or is it just an error? He said 'you don't know what Y and I are planning'.. I'm greatly confused about the existence called 'X'.. Is it his true form? Or he became like that after?
S0 is such a cutie though.. Following his senpai