「鬼」の話 (in Japanese). Doshisha Women's College of Liberal Arts. Archived from the original on 23 January 2023. Retrieved 14 May 2023. 酒呑童子を退治した天下五剣「童子切安綱」
Transliteration: "Wasurerareta kokuhō Onikire Yasutsuna" (Japanese: 忘れられた国宝・鬼切安綱) March 15, 2019 (2019-03-15) Kirihito is determined to win to thank Kei for