Virgin Bride and Brother’s Pledge.

Akane is a transfer student in Shinya’s class. She is the bride of his elder brother but is still a virgin. Shinya had pledged himself to her when they were little. Realizing their feelings for each other, Sayumi, a bride of Shinya’s other brother, teaches Shinya how to make love. Using the techniques acquired from Sayumi, he then makes love with Akane…