|A few years ago, I read a three-chapter manga about a girl who was harassed by a popular, slightly yandere guy. However, she was into his best friend. The second chapter involved a school dance. In the third chapter, (warning for sexual assault and abuse)
Spoiler (mouse over to view)
she considers having sex with his best friend, and changes her mind. He tries to rape her, but yandere boy shows up, and she ends up with him because "he only hurts those he loves."
I loathed it, but I want to add it to my completed list for record's sake.