Manga about a girl who is obsessed with her friend. The first chapter has her stuffing money into her friend's chest and the friend gets annoyed. The friend also has a little brother(shuusuke?) who's cool with it. In one chapter the friend doesn't want her chest touched but doesn't mind touching the girl's chest. When she does, the girl climaxes, to the disgust of their other friend. At one point, the girl also tells the friend's brother, "That's silly, girls don't bang".