When in 1213, during the Battle of WADA in which the family of the Wada clan raised an army against the Hojo clan, Tomomori was torn between Sanetomo and his clan; as result, Tomomori became a priest, called himself Amida Buddha, Koenbo, and headed to Kyoto.
建保元年（1213年）、北条氏に対して和田氏の一族が挙兵した和田合戦のとき、実朝と父祖との板ばさみになり、出家し実阿弥陀仏、高円坊と名乗り、京都へ向かった。