Shinjo ITO whose monk name when he was learning was Tensei, but he seemed to be called "Apparesan" in the gyoba of Kami-Daigo (the upper part of Daigo) after he finished learning the traditional Buddhist teachings of lay believers at the Daigo training place (orthodox dharma lineage of the Tozan school) in 1939; furthermore, he tried to learn 大法受法 of the Honshu department, and he became 伝燈大阿闍梨 金剛院真乗 in 1943 after finishing traditional system of teaching when entering into priesthood of Daigo-ji Temple, 'Sanpoin-ryu.'
伊藤真乗（修行時代の僧名「天晴（てんせい）」＝上醍醐の行場では『あっぱれさん』とよばれていたらしい）は、醍醐修験部（当山派正統法脈）に伝承の在家法流の行を修めた後（昭和14年秋1939）、さらに本宗部の大法受法に臨み、醍醐寺伝承の出家法流「三宝院流」を履修し畢えて、昭和18年春(1943)、「伝燈大阿闍梨　金剛院真乗」となった。