"須本光希が発熱でフィギュアNHK杯欠場「胃腸炎」と診断 26日に37・7度" [Mitsuki Sumoto missed figure skating NHK Trophy, diagnosis "gastroenteritis" due to fever of 37.7 degrees on the 26th] (in Japanese). Daily Sports. November 27, 2020.
"男子の須本光希が体調不良でNHK杯を棄権" [Men's Mitsuki Sumoto withdraws from NHK Trophy due to poor physical condition] (in Japanese). Nikkan Sports. November 27, 2020.