[caption id="attachment_273438" align="aligncenter" width="447" caption="Tohoshinki's Changmin (left) and Yunho (right)"][/caption] Via tokyohive: Popular Korean group Tohoshinki (TVXQ)will be performing at Avex's annual outdoor summer concert event, a-nation, for the first time in 2 years! The news was revealed at the press conference for "Seven & i Holdings x Tohoshinki Summer Campaign" held on May 12th, where the duo promoted Sogo & Seibu department store chain's new silver point card. Free public viewing of a-nation 2011 will be available in the Tohoku region, where the 2011 Tohoku earthquake struck. Member Changmin commented, "I want to show a passionate stage. I want to tell (the victims), I know (you) are going through a hard time, but let's work hard together and overcome it quickly." At the press event, Tohoshinki also talked about their upcoming CM for the Sogo & Seibu point card, which will start airing on May 13th. Leader Yunho commented, "It's been a while since I filmed together with Japanese staff so I was nervous, but the feeling came back right away." We'll keep you updated when the CM is released, but for now, check out the making-of video below: Source: Sanspo