1boy, arms_behind_head, asymmetrical_hair, atsushi_kenzaki, bara, black_hair, breast_mousepad, facial_hair, gachimuchi_de_dosukebe_na_kateikyoushi_no_oniisan_to_sugosu_natsu, large_pectorals, looking_at_viewer, male_focus, mousepad_(medium), muscular, muscular_male, nipples, pectoral_focus, pectorals, short_hair, sidecut, smile, solo, teeth, undercut, wasp_(anthyutena)