In 1302, Neishi performed Chakko no gi (the ceremony in which a child of the Imperial Household wears Hakama for the first time when she/he turned 5 years old) at Tominokoji dono, the palace of the Jimyo-in Imperial line; her entrance into the Jimyo-in Imperial line in future became almost certain.
乾元元年（1302年）、寧子は持明院統御所（富小路殿）で着袴の儀を執り行い、将来の持明院統への入内がほぼ約束された。