Stalker Onna to Prince Onna

A student named Nemu becomes intensely fixated on another girl, Luna, at their all-female school, referring to her as the "Prince." Nemu’s obsession leads her to stalk Luna and contemplate harming her with a knife, claiming she is searching for the girl whose hand fits it. Despite Nemu's disturbing actions, Luna does not seem concerned and may share a similar level of instability. The series includes this and other stories featuring questionable dynamics between the two characters.