"Sumo Story 2: Hoo from Narashino becomes Ozeki" (in Japanese). Narashino-city heritage collection (Narashino Collection in cooperation with Baseball Magazine's Sumo Editorial Department). 29 September 2022. Retrieved 17 February 2023.
"Sumo Story 3: Hoo's yokozuna dreams" (in Japanese). Narashino-city heritage collection (Narashino Collection in cooperation with Baseball Magazine's Sumo Editorial Department). 29 September 2022. Retrieved 17 February 2023.
