Senketsu is a kamui in the form of a sailor uniform that Ryuko Matoi wears. He has the will of Ryuko's father but with little memory of its past.
Senketsu is a main character of the Kill la Kill anime series that was produced by Trigger. It's directed by Hiroyuki Imaishi and written by Kazuki Nakashima. The character design was done by Sushio. The series first began in October 3, 2010.
Life Fiber Synchronize - Kamui Senketsu (「人衣一体」神衣・鮮血, Jin'i Ittai" Kamui Senketsu)
Senketsu is a Kamui uniform created by Ryuko's father. His powers help unleash the wearers full potential, and is activated by their blood. However the uniform will keep drinking the blood of the wearer in this state, so the fight cannot last indefinitely.
Senketsu Senjin (鮮血閃刃, Senketsu Senjin）
Senketsu Shippu (鮮血疾風, Senketsu Shippū）
Senketsu Mubyōshi (鮮血無拍子, Mubyōshi）
Sen-i-Soshitsu (戦維喪失, Sen-i-Sōshitsu)