The class I was assigned to at the school I transferred to this year was full of delinquents, on the verge of collapse, and I was at my mental limit. Amidst all that, the quiet but diligent Itsukaichi-san, who listened seriously in class, was an oasis for my heart. One day on the commuter train, a girl in uniform stepped in right in front of me. The sweet scent of her hair, her thighs peeking from her slightly short skirt. My judgment clouded by stress, I began groping her in the crowded car. This is just the inevitable result of a packed train...! I told myself this, but my hand wouldn't stop. "This is groping, you know... but, just a little bit is okay, teacher." The one who gently grasped my groping hand and accepted it was my student, Itsukaichi-san—