17 Hatsukoi

Arioka Yukihiro. 17 years old. A third-year high schooler. He forcibly took the first person he fell in love with and is now repenting and reflecting. He tries giving up, but even so, he couldn’t.
Mishima Makoto. 26 years old. A high school teacher. He’s had one-sided feelings for his best friend and sees the pain of it in Arioka, which makes it harder to refuse him.