Junjou Decamelon

Seiya has loved looking at the stars with a telescope at night ever since he was a child, but he has never got on too well with other people and, thus, has never had a girlfriend. However, this changes after he meets an almost naked lady in the park one night while practising his astrological hobbies, who later turns out to be his new classmate, Kaedeko Momota. The big-breasted girl has recently moved from Akita to Tokyo and is an outsider just like him. After he seems to have taken a liking to her bust, she wants to show him other parts of her body up close in a lonely room at school …

純情デカメロン, Junjou Decamelon, Pure Decamelon, 순정 데카메론