Ryokai Mandala (Mandalas of the two Realms): enshrined in To-ji Temple, and is called Den Shingon-in Mandala (the Mandalas attributed to Priest Kukai), or Saiin Mandala (the Mandalas stored in Sai-in (Miei-do Hall))
両界曼荼羅（東寺、伝・真言院曼荼羅）（「西院曼荼羅」とも）