1boy, o, black_hair, blood, blood_on_clothes, blood_on_face, blue_eyes, blue_shirt, eye_trail, formal, glasses, gradient_background, holding, holding_knife, human_bug_daigaku, knife, kotouge_kabuto, light_trail, long_sleeves, looking_at_viewer, male_focus, shirt, solo, suit, uonuma_yuu, upper_body, white_suit