At the east, south, west and north side of each Nyorai, Bosatsu that are closely related to each Nyorai, called Shishingon Bosatsu (Four Attendant Bodhisattva), are located.
各如来の東・南・西・北には四親近菩薩（ししんごんぼさつ）という、それぞれの如来と関係の深い菩薩が配されている。