1girl, aqua_eyes, backwards_hat, baseball_cap, black_hair, breasts, cleavage, clothes_pull, collarbone, hat, holding, holding_whistle, hololive, looking_at_viewer, off-shoulder_shirt, off_shoulder, oozora_subaru, oozora_subaru_(1st_costume), saico_isshin, shadow, shirt, shirt_pull, short_hair, shorts, simple_background, sitting, solo, stopwatch, tongue, tongue_out, virtual_youtuber, whistle, whistle_around_neck