- Takamasa Sogi (送儀 嵩征Sōgi Takamasa?)
- Voiced by: Tokuyoshi Kawashima (Japanese), Joel McDonald (English)
- The contracted monk of Itsuki. Their relationship is a complicated one. While the two seem to have a romantic relationship, they are incapable of acting on their feelings due to Itsuki's nature as a shikibane. Both he and Itsuki try to prevent Ouri from making a similar mistake with Makina, but at the same time their actions show signs that they want Ouri to prove them wrong. Takamasa often fights along side with Itsuki using a Japanese bow and arrow.
- According to Yoshiichi Akahito:
- His nickname is "String Beat"
- He has Type O blood
- His height is 172cm and his weight is 60kg
- His age is 19 (born December 29th)
- His favorite food is fried eggs and dried mackerel
- He dislikes time-consuming things
- His specialty is "having many interests and special talents"
- His eyesight is 40% functioning in both eyes