Every day, Iyo-chan tries to make Satsuki, her neighbor's brother, lust after her by using her chubby body as a weapon in her sexy strategy☆. But Satsuki never gives her a second glance and she always fails... One day, a boy in her class tells her something... Will Iyiyo-chan's sexy strategy succeed? Ms. Tomomitsu Yamamoto brings you an enchanting experience of lovemaking with a busty JK!