Three people, Miki, Yusuke, and Shinichi, who have walked through university life together. Yusuke, who had been longing for Miki even though she was her friend, finally confessed and started dating in the fourth grade. However, due to his lack of experience with women, Yusuke finds it difficult to close the distance with Miki. He consults with Shin'ichi about it, and the three of them decide to play together again, like before. The three of them spend a good time at Shinichi's house, but when Yusuke takes his eyes off Miki and Shinichi...
