Niexiaoqian Toushijihua

I never knew that the boys' bathroom in the abandoned school building stood on the grounds of an old temple, let alone that it's being haunted by a ghost, Nie Xiao Qian. She lost her original form and is now a loli, and as the latest reincarnation of her lover Ning Cai Chen, I'm obliged to restore her original form!? (Source From: MangaUpdates)