Hibiki Tsukiyo (エコーサウンド·ムーンナイト, Tsukiyo Hibiki, lit. Echo Sound Moon Night) is the current 4th seat in the Third Division and is a well known Shinigami for his troublesome acts and for how quickly he passed through the Shino Academy . Hibiki used to be the student of Zancrow Kyuketsuki and he was known to have a very strong relationship with him, although he is not Zancrow's student anymore he still acknowledges him as his master. When Zancrow left Hibiki without telling him, Hibiki grew very angry and has made it one of his goals to find Zancrow. During his years at the academy he managed to pass through it with ease and was allocated to the Third Division. Hibiki occasionally likes to wander around the human world and he usually slacks off because of him being laid back.