1boy, abs, bad_pixiv_id, bara, black_hair, closed_eyes, day, holding, holding_surfboard, large_pectorals, male_focus, male_swimwear, muscular, muscular_male, nachos_(chos_na), navel, nipples, open_mouth, original, outdoors, pectorals, red_male_swimwear, short_hair, smile, solo, surfboard, topless_male, water, wet, wet_clothes