In the Medieval Period, many copies of the Zenko-ji-nyorai (Zenko-ji-shiki Amida Sanzon) in Nagano were made and the two Bosatsu, Kannon and Seishi, are shown with hands on top of each other and placed in front of their chest.
中世では、長野の善光寺如来（善光寺式阿弥陀三尊）の摸刻像が盛んに造られるようになるが、この時は、観音と勢至の二菩薩は、胸前で両手を合せる姿で造形される。