負けヒロインの幼馴染はセックスの練習台になる

Noa Kyougoku has everything going for her. She's got brains, beauty, and she's even an athletic dynamo. Her childhood friend may not have all the same qualities, but she'll train him to be perfect boyfriend material! At least, that was the plan until the guy went and got himself a girlfriend all on his own… (Source: Fakku!)