Say No and Moratorium

When Mitsu was in high school, he had a physical relationship with his childhood friend Nana, whom he had a crush on. However, when Nana suddenly asked him, "Do you want to stop doing this kind of thing?" Mitsu was unable to tell him that he didn't want to, and ended up heartbroken. Mitsu has not been in contact with Nana since then, but his feeling for him still remained. When Mitsu became a university student, he runs into him again while working part-time. He is relieved to find that he doesn...