chaudlapin, kinoshita hideyoshi, kinoshita yuuko, baka to test to shoukanjuu, 1boy, 1girl, animal ears, bikini, blush, breasts, brother and sister, brown hair, bulge, contrapposto, fake animal ears, green bikini, green eyes, hair ornament, hairband, hairclip, hand to own mouth, heart, loli, looking at viewer, lowleg, lowleg bikini, rabbit ears, rabbit hair ornament, rabbit tail, short hair, shota, siblings, side-tie bikini bottom, small breasts, sweatdrop, swimsuit, tail, trap, twins, yellow bikini