Neighbor Nishino falls in love with Yuna at first sight, who lives in the same apartment building. When he confesses his feelings to her, he gently refuses. One day, she sees Yuna happily entering the room with her boyfriend, despite Nishino being extremely depressed...He gets angry and forces her to drink an aphrodisiac drink and has sex with him. ``Hello, there's someone interesting so you should come too lol'' 3 days without a boyfriend.