Sayū Jōge

is a citizen of Konohagakure.

Academy Arc
Upon enrolling into the Academy, Kou was placed in Shino Aburame's homeroom.

When his class was assigned to split into groups of three and partake in a local workplace, Kou got work experience at the village's fire department with Metal Lee and Inojin Yamanaka.

School Trip Arc
Kou and his class went to Kirigakure for a field trip, where they were greeted by their tour guide, Kagura Karatachi.

Graduation Arc
Kou appears in this arc.