1girl, arm_behind_head, armpits, bad_pixiv_id, baseball_cap, black_one-piece_swimsuit, breasts, clothes_writing, covered_navel, day, green_headwear, hair_between_eyes, hair_ornament, hairclip, hat, long_hair, looking_at_viewer, low_ponytail, maegawa_pic, medium_breasts, nijisanji, one-piece_swimsuit, one_eye_closed, open_mouth, outdoors, pink_eyes, pink_hair, red_ribbon, ribbon, shiina_yuika, sky, solo, swimsuit, very_long_hair, virtual_youtuber