abs anus armpit_hair balls bara barazoku beach beach_background big_penis black_hair body_hair flaccid gaping gaping_anus genitals genshin_impact hair hands_behind_head horn hut lying male mask muscular muscular_humanoid muscular_male nipples on_back penis pubes red_horn sea seaside solo spread_legs spreading vein veiny_penis water rulethony34tano_(director) hilichurl humanoid mitachurl hi_res