SATO is a ghost or a spirit, demon khung vice-captain at the nutshell is a boy. He knows everything in the past. The present and future. He was able to answer every question you ask questions. You just need to do a ritual summon him to come.
Satoru kun a ghost or evil spirit who appeared as a boy. He knew all about the past, present and future, he can answer every question you ask. You just have to do a ritual to summon him.
Satoru is a soul, ghost or demon that appears as a boy, he knows everything about the past, present and future, he can answer all the questions you ask. You only need to perform a ritual to summon him.