2girls, bikini, black_bikini, blonde_hair, breasts, enna_alouette, long_hair, looking_at_viewer, millie_parfait, multiple_girls, navel, nijisanji, nijisanji_en, obanana_(ahap7438), ocean, one_eye_closed, open_mouth, outdoors, short_hair, small_breasts, stomach, swimsuit, virtual_youtuber, white_bikini