>>81094368Selen tends to bottle up shit like this until it explodes, and Niji's case was very extreme. On top of that, she internalizes blame for almost everything, so she likely really did feel that she was the problem and that everyone else would feel better and be happier if she stopped existing. It really seems like if Niji hadn't said anything, she really would have let the entire thing go without anyone ever knowing about the attempts, god forbid if she succeeded.
tl;dr it's very, very likely that online friends like pomu, mumei, etc. had no fucking idea any of this was going on, or at least not the extent of it.