1girl, o, aqua_eyes, armpits, arms_up, black_bra, black_hair, black_panties, blue_sky, blush, bra, breasts, cloud, grey_shirt, hololive, looking_at_viewer, navel, no_pants, nose_blush, official_alternate_costume, oozora_subaru, oozora_subaru_(2nd_costume), open_clothes, open_mouth, open_shirt, panties, shirt, short_hair, sky, sleeveless, sleeveless_shirt, small_breasts, solo, stomach, striped, striped_shirt, takami_masahiro, teeth, underwear, upper_body, upper_teeth_only, vertical-striped_shirt, vertical_stripes, virtual_youtuber, water