asgykk, hoshino aquamarine, hoshino ruby, oshi no ko, highres, 1boy, 1girl, aqua background, bikini, brother and sister, closed mouth, cup, disposable cup, food, holding, holding cup, holding spoon, innertube, long hair, looking at viewer, monochrome, open mouth, polka dot, polka dot background, shaved ice, short hair, siblings, simple background, spoon, star-shaped pupils, star (symbol), swim ring, swimsuit, symbol-shaped pupils, tongue, tongue out, topless male, twins