Hito ni Ienai Aidagara

Kensuke connects with a woman on a dating site who introduces herself as Michiru. She is described as alluring, with a distinctive beauty mark near her mouth and a playful, teasing manner. Both claim to be 20 years old, but it is later revealed that Kensuke is 17 and Michiru is 26. In addition to the nine-year age gap, Michiru is also a teacher at Kensuke’s high school. When this information comes to light, Michiru calmly suggests ending their relationship.