zenkou, sonozaki mion, sonozaki shion, higurashi no naku koro ni, 00s, 2girls, animal ears, between breasts, breast press, breasts, disapproving stare, fake animal ears, flute, green eyes, green hair, half updo, incest, instrument, large breasts, leotard, looking at viewer, multiple girls, one-piece swimsuit, pantyhose, playboy bunny, punishment game, rabbit ears, recorder, school swimsuit, shakuhachi, siblings, sisters, socks, spandex, swimsuit, symmetrical docking, thighs, twincest, twins, yuri