Otazu no kata who was wife of Iio Tsurutatsu (lord of Hikuma castle) invited Naohira to a meeting with her husband and planned to eradicate it to claim prominence in Totomi. In September 18, Otazu no Kata then poisoned Naohira's tea and he died soon after. Following Naohira's death and many obstacles, Jiro Hoshi returned to secular life, removed her nun costume, was baptized by the male name Naotora and declared herself the nominal head of the Ii clan.