minato satoi, kirishima akari, kirishima kotone, nyan koi!, lowres, 00s, 2girls, animal ears, ass, back, back-to-back, blonde hair, blush, bra, brown eyes, brown hair, cat ears, cat tail, dress, flat chest, frilled thigh strap, frills, heart, heart tail, heart tail duo, lingerie, long hair, looking back, multiple girls, open mouth, panties, paw pose, paw print, pink panties, pink thighhighs, siblings, side-tie panties, sisters, tail, thigh strap, thighhighs, twins, underwear, underwear only