1girl, animal_ears, ass, bare_back, bikini, black_hair, blush, breasts, closed_mouth, deaver, from_behind, hair_ornament, hololive, hugging_object, large_breasts, looking_at_viewer, lying, multicolored_hair, on_stomach, ookami_mio, ookami_mio_(hololive_summer_2019), pillow, pillow_hug, pleated_skirt, print_bikini, red_hair, side-tie_bikini_bottom, sidelocks, skirt, solo, streaked_hair, string_bikini, swimsuit, tail, thigh_strap, unworn_skirt, virtual_youtuber, wet, white_bikini, wolf_ears, wolf_girl, wolf_tail, yellow_eyes