Rule 34 Dev - 1male anal_insertion anal_masturbation balls beating_off big_balls big_penis boner bottomless bottomless_male camping clothed_masturbation erect_penis erection facial_hair fingering functionally_nude functionally_nude_male gemstones half-dressed hard_on hitoshi_nozaki human imminent_cumshot imminent_ejaculation imminent_male_orgasm imminent_orgasm jacking_off jerking jerking_off jerkingoff male male_focus male_masturbation male_only manly masculine masturbating masturbation mouth_open muscles muscular muscular_male night one_eye_closed outdoor_masturbation outdoor_nudity outdoors penile_masturbation penis precum precum_squirt public_masturbation public_nudity short_hair solo spread_legs st stiffy stroking stroking_cock stroking_penis two_handed_masturbation wanking yajin yajin_tensei|12740857872