MonoRui was alive at one point but was apart of a killing game. He was punished when he went into rage due to Shizuku killing nene and he killed Shizuku.

before Mafuyu was executed, monomiku allowed them to bring someone back.

they chose him. He was then turned into monorui who was tied to the wonderlands sekai. He wasn’t allowed to leave.

He had watched 11 of his friends die in the killing game. Ichika, Saki (Tsukasa’s sister), Akito, Emu, Nene, Kanade, Mafuyu, Mizuki, Ena, Minori and 