2girls, adapted_costume, animal_ear_fluff, animal_ears, arimoto_wataru, ball, belt, bikini, black_belt, black_bikini, black_choker, braid, braided_bun, breasts, chair, chest_belt, choker, cleavage, collarbone, crown_braid, hair_bun, hakui_koyori, hakui_koyori_(1st_costume), heart, heart_choker, hololive, kazama_iroha, large_breasts, light, long_hair, looking_at_viewer, multiple_girls, night, no_ahoge, no_hair_ornament, open_mouth, partially_submerged, pink_bikini, pink_hair, ponytail, pool, purple_eyes, side-tie_bikini_bottom, sitting, smile, solo_focus, swimsuit, teeth, thigh_strap, thighs, virtual_youtuber, white_bikini, wolf_ears, wolf_girl