1girl, black_eyes, black_hair, blood, blood_on_clothes, blood_on_face, blood_on_knife, blood_on_shoes, collared_shirt, cuts, expressionless, full_body, hallway, holding, holding_knife, indoors, injury, knife, long_hair, looking_at_viewer, mikaku_(skc_lol24), original, red_skirt, school, shinsei_kamattechan, shirt, shoes, skirt, socks, solo, suspender_skirt, suspenders, twintails, uwabaki, white_shirt, white_socks