The class I'm assigned to at my new school is full of delinquents, and the classroom is on the verge of collapse. I'm exhausted and my mental state is at its limit. Amidst all this, Itsukaichi, who is quiet but diligently listens to my lessons, is my oasis of calm. One day on the commuter train, a female student walks right in front of me. The sweet scent of her hair, and her thighs peeking out from her slightly short skirt. My judgment is dulled by stress, and I start engaging in indecent acts in the crowded car. This is an unavoidable incident on a packed train...! Even as I tell myself to stop, my hands won't obey. "This is indecent... But, just a little bit is okay, Sensei." It was my student, Itsukaichi, who gently held my hands and accepted it—