1girl, alternate_costume, armpits, arms_up, bare_shoulders, black_skirt, blurry, blurry_background, blush, breasts, closed_mouth, collarbone, hair_between_eyes, heterochromia, high-waist_skirt, hololive, houshou_marine, kokono_(kokonokami), large_breasts, light_smile, long_hair, looking_at_viewer, navel, nike, official_alternate_hair_length, official_alternate_hairstyle, outdoors, ponytail, red_eyes, red_hair, skirt, solo, sports_bra, stairs, very_long_hair, virtual_youtuber, white_sports_bra, yellow_eyes