1girl, 2boys, 4shi, against_wall, arm_behind_back, bags_under_eyes, between_legs, blood, blood_from_eyes, blood_from_mouth, blood_on_clothes, blood_on_face, blood_on_ground, blood_on_wall, blood_splatter, collared_shirt, corpse, dango-chan_(4shi), death, double_bun, drooling, elevator, fart, formal, from_above, full_body, furrowed_brow, gas, greyscale, hair_bun, hand_between_legs, hand_up, hollow_eyes, jacket, lapels, loafers, long_sleeves, looking_at_viewer, lying, monochrome, multiple_boys, neckerchief, necktie, notched_lapels, on_side, open_mouth, original, pants, pleated_skirt, push-button, sailor_collar, school_uniform, serafuku, shirt, shoes, short_hair, skirt, smile, standing, suit