This is a generic term for Higashi-Hongwan-ji Temple, Nishi-Hongwan-ji Temple, Bukko-ji Temple, Senju-ji Temple and Kosho-ji Temple, which are defined as being second to the monzeki in the Jodo Shinshu sect.
浄土真宗で門跡に准ぜられた東本願寺、西本願寺、佛光寺、専修寺、興正寺の総称。