Akishige

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

Saint Saint X'mas Arc
Akishige and Ujie 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.

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