>>58587264They already lampshaded nerissa having died(shiori's tweet aluded to finally letting her go in response to the ghost nerissa fuwawa tweet)
Fuwawa sacrificed herself to help mococo escape, which made her guilt become so bad she started hallucinating fuwawa
Shion was literally the warden who kept notes of the prisoners(that's how she knows both nerissa and fuwawa died)
Biboo is literally just a random rock mococo started talking to in order to fend off the loneliness
