Kurobane Haruka is a normal girl living a normal high school life. She's from a well-off family, lives in a spacious apartment that her parents rented for her likings. She go to a prestigous school, always get high grades and of course, she's pretty popular with boys and girls alike. Then one day, three boys in her year transferred. You'll probably guess what will happen next. They all got to be in the same class with her, fell for her, blah blah blah. And then they turned out to be very possessive. Cliché, right? And when she found out their true colors, she'll probably avoid them. Wrong, absolutely wrong. There's one thing that everybody didn't know, well except her parents who doesn't give a sh*t. Kurobane Haru is a psychotic yandegire.