However in 1331, after the Genko Incident, Emperor Godaigo was caught and was sentenced to deportation to the Oki Islands in March 1332, Kishi was given Nyoin go title by Emperor Kogon of the newly established Northern Court government in May, she was named Reizeimonin, and entered into the priesthood in August in the same year.
しかし元弘元年（1331年）、元弘の変によって後醍醐天皇が捕らえられ、翌元弘2年（正慶元年、1332年）3月に天皇が隠岐諸島に流罪となると、禧子はそれに伴って同年5月、新たに立てられた北朝の光厳天皇より女院号を宣下されて礼成門院と称し、追って同年8月には出家する。