Forgive me ... -Affair with my teacher 3-Yuino

Yu Ino is a student who gets involved in an affair with her former teacher, Sugimoto, who is now married. As the story unfolds, Yu Ino finds herself drawn to Sugimoto's kindness and guidance, leading to a forbidden and intimate relationship. Meanwhile, Sugimoto's marriage is revealed to be troubled, and his interactions with Yu Ino become increasingly passionate and secretive.