Soyoka Teiketsu (帝闕そよか, Teiketsu Soyoka) is a former kunoichi from Kusagakure, who has been considered a prodigy in the shinobi arts since a young age. After being promoted to Chūnin in her home village she decided to focus her efforts on international issues, leading her to officially enroll in peacekeeping organization SENSHI. Within this organization she belongs to the Paranormal Investigation Division (調査超常的師団, Chōjōteki Chōsa-shidan) of the Intelligence Unit (情報部隊, Jōhō-butai), where she serves as a Fourth Tsurugi (四代目剣, Yondaime Tsurugi). Additionally she is a member of Hiyakō, a team within SENSHI utilizing members from different units and divisions.