1girl, armpits, black_one-piece_swimsuit, blonde_hair, breasts, competition_swimsuit, cowboy_shot, double_bun, eyebrows_hidden_by_hair, green_eyes, hair_bun, kaburaki_roco, medium_hair, nijisanji, one-piece_swimsuit, presenting_armpit, shoshika8888888, simple_background, small_breasts, smile, solo, swimsuit, two-tone_swimsuit, virtual_youtuber, white_background