[Reducing Mosaic]NTRH-015 The days of secretly meeting with my son's homeroom teacher, Mr. Natsume, knowing full well it was wrong but drawn to each other anyway. Natsume Aiharun

Natsume chooses to continue teaching even after getting married.However, the life of a teacher is already busy.It was difficult to balance family and work, and the relationship between husband and wife had already deteriorated.Meanwhile, he visits the home of a student who has stopped attending school.Conflicts between their fathers who are their guardians...The two, who are both lonely, are drawn to each other, and even though they know it's not good for them, they end up drowning in an irreversible affair.