Ryoma and Tamaki are childhood friends who sleep together without being a couple. When Tamaki learns Ryoma skipped contraception during their encounters, she angrily declares that things between them are finished. The trouble is that they belong to the same club, so they keep running into each other while treating one another coldly. Yuri notices the chill and tries to bring the two back together as friends. Her own love for Ryoma proves impossible to conceal, and she ends up confessing to him, which leads the two of them to sleep together. The two-episode adult OVA mixes drama and romance around shifting ties between friends.