Through ISHIGURO's introduction, she was specially allowed to enroll the Koju-in College, a private medical school in Shitaya Neribei-machi (present Akihabara), which was run by Tsunenori TAKASHINA, a court physician who worked at Tenyakuryo (the Bureau of Medicine).
石黒を介して、典薬寮出身で侍医の高階経徳が経営する下谷練塀（ねりべい）町（現在の秋葉原）の私立医学校・好寿院に特別に入学を許される。