Ujie

is a high school student who attends Saint Ishiyama Academy. He participated in the school's special event, Saint Saint X'mas, with a fellow high school student, Akishige.

Saint Saint X'mas Arc
Ujie and Akishige participate in the Saint Saint X'mas competition together where they advance to the Top 16. In the first round, they are selected to go sixteenth, pairing off against the Moriyama-Seta pairing. The couple ends up proceeding to the second round where they are ultimately defeated by Oga and Hilda.

Akishige
Ujie and Akishige participated together in a Saint Saint X'mas competition on Christmas Eve.