Senō (僭王; Literally meaning "Good Ancient Kings") is a group of ten powerful shinobi led by Ryūnosuke Kawakami, a previous candidate for Hokage and Jōnin Commander, and Shinji Shōten, the previous bodyguard of the Raikage and the one of the known descendants of Samui, a well-known kunoichi of her generation. This group serves as a peace-defending group that work in the shadows.