fujioka haruhi, haninozuka mitsukuni, hitachiin hikaru, hitachiin kaoru, ouran high school host club, hand on shoulder, bad id, third-party edit, 00s, 2girls, 3boys, ^ ^, beach, blonde hair, brothers, brown eyes, brown hair, casual one-piece swimsuit, closed eyes, drawstring, halterneck, hand on another's head, innertube, male harem, male swimwear, multiple boys, multiple girls, navel, one-piece swimsuit, red male swimwear, red swim trunks, short hair, siblings, smile, swim ring, swim trunks, swimsuit, thigh gap, topless male, twins