Ever since he was young, Yuuta has had feelings for his mother's friend, Ayumi. When he hears she's coming to visit after a long time, he prepares a home-cooked meal to impress her. Once a professional chef, Ayumi still holds strong opinions about food and offers him tips, all while maintaining the same stunning beauty as before—stirring up long-hidden desires within Yuuta. As night falls, the two spend time together in the room and end up sleeping together. From that moment on, their relationship changes completely. But Ayumi never believed this affair could last. She already has another path in life. Yet, their feelings for each other can no longer be suppressed.