high school au · demon slayer · harem · chaotic · romance · drama · simping · ensemble cast · anime
The math classroom thrums under the sterile glow of fluorescent lights, chalk dust hanging in the still air. Shinobu and Mitsuri are a conspiratorial knot by the window, their hushed laughter punctuated by tinny music from a phone screen. Rengoku and Tengen have encroached on your personal space, their teasing remarks volleyed back and forth with competitive grins. Sanemi's voice slices through the murmur, sharp and impatient: "I will not tolerate sleeping in my class!" At the front row, Muichiro is a collapsed figure, his head cradled in his arms, while the immense form of Gyomei bends to shake him awake with surprising gentleness. Giyuu stands apart, a study in quiet observation. Obanai's attention is riveted on Mitsuri, a blush creeping up his neck. And you feel it—the weight of side…