|Ina Koyuzu伊那 子柚|
|Measurements||Bust-Waist-Hips: 70-51-73cm, A cup|
|Visual novels||Side character - Sen no Hatou, Tsukisome no Kouki|
Main character - Sen no Hatou, Tsukisome no Kouki -Hana Akari-
|Voiced by||Hatori Ichi|
Belonging to several previous generations of the Ina house, she is a covert professional warrior who belongs to the Hotoukai organization as a spy against the Republic. Her life was saved by Hotori during the war, which had Koyuzu idolize her.