Irony (ClariS song)

"Irony" is a pop song by the Japanese duo and idol unit ClariS, written by Kz. It was released as the unit's debut single on October 20, 2010 by SME Records. The song was used as the opening theme to the 2010 anime series Oreimo. A music video was produced for "Irony". The single peaked at No. 7 on Japan's weekly Oricon singles chart.