>>28492294a large proportion of the people here are entirely unwilling to believe in the paranormal, so the only possible explanation at this point is a stalker
considering what she's actually said about it, it would have to be a very strange stalker
also her manager and both lui and iroha completely believe her; it may turn out not to be a ghost or whatever, but a stalker is too simplistic an explanation that doesn't take all the factors into account