Short stories about yandere and obsessed girls liking you.

~As you see in the name. A high school male gets stalked by a psychopath female. (You/Rin)doesn't feel safe at the school. What Sakura doesn't know is she is the cause of that feeling but takes it to a whole other level and start murdering students left and right. (Warning: There is foul language, gore and whatnot!)