Rule 34 Dev - 10s 1boy 2016 androgynous armpit_peek artist_name ass black_hair blue_eyes blue_male_swimwear blue_swim_briefs butt_crack from_behind looking_at_viewer looking_back male_focus male_swimwear mole mole_under_eye ponytail smile solo swim_briefs swimsuit torajimaneko touken_ranbu yamato-no-kami_yasusada|7535403135