1boy, abs, armpit_hair, bara, blue_theme, clothes_around_waist, double_biceps_pose, facial_hair, facing_viewer, flexing, goatee, grin, large_pectorals, male_focus, mature_male, monochrome, muscular, muscular_male, navel, nipples, noga_(noga_0309), pectorals, senpai_ga_uzai_kouhai_no_hanashi, short_hair, sideburns, sketch, smile, solo, stomach, stubble, takeda_harumi_(shiromanta), thick_eyebrows, topless_male, traditional_media