alpha (yukai na nakamatachi), tsukamoto tenma, tsukamoto yakumo, school rumble, school x school, ^o^, game cg, 00s, 2girls, ^ ^, beach, bikini, blue bikini, blue hair, blush, breasts, cleavage, clenched hand, clenched hands, closed eyes, day, front-tie top, happy, long hair, medium breasts, multiple girls, outdoors, plaid bikini, plaid clothes, red eyes, short hair, short twintails, siblings, side-tie bikini bottom, sisters, small breasts, swimsuit, twintails