1boy, abs, bara, beach, blush, bulge, fafnir_(f-kare), feet_out_of_frame, forked_eyebrows, jewelry, large_pectorals, looking_at_viewer, male_focus, male_swimwear, mature_male, muscular, muscular_male, navel, necklace, nipples, o-ring, o-ring_swimsuit, orange_hair, outdoors, pectorals, red_male_swimwear, short_hair, shoukan_yuusha_to_f-kei_kareshi, sideburns, smile, solo, stomach, sunfight0201, sunlight, swim_briefs, swimsuit, thick_eyebrows, thick_thighs, thighs, topless_male