I'mperfect (stylised as i'mperfect) is the fifth studio album by the Japanese rock band Ling Tosite Sigure, released on April 10, 2013.

[4] This album includes both their previous singles.

The single "Abnormalize" was used as the opening theme for anime series, Psycho-Pass.

[5] The album was released in the UK and Europe by JPU Records.

All tracks written and composed by Toru "TK" Kitajima.