ClariS to Perform Oreimo's 2nd Season Opening

Anime News Network Oreimo ) anime announced on Friday that "reunion," the new single that the duo ClariS will release on April 17, will be used as the opening theme for the anime. The two singers previously contributed their debut single, "irony," as the opening theme ... http://www.animenewsnetwork.com/interest/2013-01-25/claris-to-perform-oreimo-2nd-season-opening