yokaranuyakara, oozora subaru, oozora subaru (1st costume), hololive, highres, 1girl, backwards hat, black hair, breasts, collarbone, hat, leaning forward, looking at viewer, nipples, open mouth, shirt, short hair, shorts, simple background, solo, speech bubble, stopwatch, striped clothes, striped shirt, two-tone headwear, vertical-striped clothes, vertical-striped shirt, virtual youtuber, watch, whistle, white background, white shorts, yellow shirt