1boy, abs, bara, bare_pectorals, black_hair, black_jacket, black_male_swimwear, closed_mouth, free!, green_eyes, jacket, kneeling, kuroshinki, large_pectorals, legskin, male_focus, male_swimwear, muscular, muscular_male, navel, nipples, open_clothes, open_jacket, pectorals, short_hair, solo, yamazaki_sousuke