Three college students, Miki, Yusuke, and Shinichi, live their university life together. Though they are close friends, Yusuke has deep feelings for Miki. In their senior year, he finally confesses and they begin dating. However, Yusuke lacks experience with women and struggles to grow closer to Miki. He confides his troubles to Shinichi, and the three start hanging out and drinking together again like before. While having a good time at Shinichi's place, something happens between Miki and Shinichi when Yusuke looks away. The story unfolds as their relationships slowly begin to change.