Des:Yuta, who travels around the world as a blogger, returns home and heads to a class reunion just to meet a female teacher he had feelings for while attending school. While he was in school, the teacher he liked married a fellow teacher at the same school after Yuta graduated, became Mr. Okuda, and became a married woman. The Okudas do not have any children yet, and Saki loves her husband, but she begins to feel a misunderstanding with him due to her busy work schedule. A class reunion was held at such a moment. A married female teacher and her former student. A man and a woman are alone in a closed room...