Thousands of years ago...When I was young, Mayu, my childhood friend who was the best Madonna in school, lived next door to me.Her daughter and I are childhood friends and have been together since we were little.I was aiming for the national baseball tournament, which was also Mayu's dream, but I lost the game, and when I was depressed in her room, Mayu came to comfort her.She said to Mayu who was worried, "If a girl encourages me, I'll even give her a kiss."And she became a secret relationship that she couldn't tell anyone with Mayu who accepted her...