...The teacher's married woman had a hard time with her former student she met at a reunion.

Yuta, who travels around the world while working as a blogger, returns to Japan and heads to a reunion just to meet the female teacher she has always thought of while she is still a student. While attending school, the teacher she liked was after Yuta's graduation, and after graduating, she married a colleague from the same school, became Okuda-sensei and became a married woman. The Okuda couple have no children yet, and Saki loves her husband, but due to his busy schedule, he begins to feel misunderstanding his husband. Just then, the reunion was held. A female married woman teacher and a former student. A man and a woman are alone in a closed room...