Relations for Ayatsuri no Kyoushitsu

 Shokuzai no Kyoushitsu B...   2001-05-18 ja  Ayatsuri no Kyoushitsu   2000-11-10 ja  Ikenie no Kyoushitsu   2003-04-25 ja Same series  Shokuzai no Kyoushitsu ~...   2000-04-07 ja Same setting Same series  Ayatsuri no Kyoushitsu H...   2001-08-03 ja Alternative version