Overview
- The 105th National High School Rugby Tournament opened on Dec. 27 at Hanazono Rugby Stadium in Higashiosaka with an expanded 56-school field.
- First-round matches began immediately after the opening ceremony, with ten games on opening day and additional first-round ties continuing on Dec. 28–29.
- North Hokkaido representative Engaru was eliminated after a 5–74 loss to Onomichi in the first round.
- Ritsumeikan Keisho earned its first Hanazono victory by defeating Sendai Ikuei.
- Top seeds such as Toin Gakuen and Osaka Toin enter in the second round on Dec. 30, and the championship match is set for Jan. 7.