Yuki, Yuusuke, and Shinichi have shared their university life together. Although they were friends, Yuusuke had been harboring feelings for Yuki all along and finally confessed in their fourth year, leading to them starting a relationship. However, due to his lack of experience with women, Yuusuke struggled to close the gap between him and Yuki. He consulted Shinichi about this and decided to have drinks and hang out together like old times. The three of them enjoyed a pleasant time at Shinichi's house, but when Yuusuke took his eyes off them for a moment, Yuki and Shinichi…
