Liar Liar (ライアー・ライアー, Raiā Raiā) is a Japanese romantic comedy light novel series written by Haruki Kuō and illustrated by konomi. Media Factory has published the series since April 2019 under their MF Bunko J imprint. A manga adaptation with art by Funa Yukina has been serialized in Media Factory's seinen manga magazine Monthly Comic Alive since August 2019. An anime television series adaptation by Geek Toys is set to premiere in 2023.