1girl, abs, blue_hair, breasts, buruma, day, dokiyuri, jacket, large_breasts, looking_at_viewer, medium_hair, navel, nijisanji, open_clothes, open_jacket, open_mouth, outdoors, shizuka_rin, smile, solo, sports_bikini, standing, track_and_field, track_jacket, tree, virtual_youtuber, yellow_eyes