It is a service carried out according to the six times of the day consisting of sutra chanting, nenbutsu recitation and prayer based on the 'Ojoraisange' of Chinese monk Shandao.
中国の僧善導の「往生礼讃偈」に基づいて1日を6つに分け、誦経（読経）、念仏、礼拝を行う。