How to Handle First Love

Overview

The summer of his freshman year in high school, Kazuki Motosu witnesses an affair between senior Yuugo Matsuda and a teacher. To buy his silence, Yuugo suddenly gives him a blow job, and Kazuki promptly cums in three seconds. His first love turns into a heart ripped apart. Seven years later, Kazuki manages to become the elementary school teacher he always dreamed of. He goes to the school to pay his respects, when who should he encounter, but Yuugo, who is also stationed there. So begins Kazuki's new life under the same roof as the source of his heartache. "I can have your body, but not your heart." This is a tingling, sentimental reunion love story by Unohana! (Source: Renta!)

Source: AniList