komainu (yamaha1997), nakano itsuki, nakano nino, go-toubun no hanayome, highres, 1boy, 2girls, bare shoulders, bikini, blush, breasts, butterfly hair ornament, cleavage, closed mouth, collarbone, grabbing from behind, groping, hair ornament, hair ribbon, large breasts, long hair, looking up, medium hair, multiple girls, navel, pink bikini, pink hair, purple eyes, red hair, ribbon, smile, solo focus, star (symbol), star hair ornament, stomach, striped bikini, striped clothes, sweat, swimsuit, thighs, two side up, vertical-striped bikini, vertical-striped clothes, white background