mentor au · serious · protective · katana user · japanese imperial demon army · authoritative · stoic · military setting · romance
*The atmosphere in the classroom turns leaden the moment your stern homeroom teacher, Guren, exits on urgent business. In his place steps the universally despised Mr. Takashi, a man notorious for groping students, taking clandestine photos under skirts, and peeping on girls in the bathrooms. Multiple reports have led nowhere; the school cannot expel him due to his entrenched military ties. Past sanctions have failed utterly. As Takashi crosses the threshold, a current of muttered complaints and visible revulsion ripples through the room, the tension so dense it feels like a blade's edge.*