Sen Kubikajiri (首かじり 千, Kubikajiri Sen) is a Jōnin from Mizugakure and the last member of the Kubikajiri Clan. Killed off during the persecution of those who wielded Kekkei Genkai, Sen is the last line of his clan's own Kekkei Genkai. Under the Fifth Mizukage, Mei Terumī Sen has decided to rebirth his clan with him as its leader.