There were, however, many nuns who didn't fit the original definition of kanjin bikuni; some of the kanjin bikuni were miko (shrine maidens) who looked like nuns due to the influence of shinbutsu shugo (syncretism of Shinto and Buddhism), and others in the early modern times were engaged in sexual activities.
ただし、勧進比丘尼の中には神仏習合の影響を受けて尼の形態をした巫女なども含まれており、また近世に入ると遊女的な行いをする者も存在したため、純粋な尼とは言えない者が多かった。