Super Junior's Shindong recently revealed his thoughts about After School's powerful tap dance performance. On May 1st, the idol tweeted, "Ah~ I was surprised even when they were playing drums. But this time it's tap dance. They are Korea's best performance group!! I think I'm going crazy over After School." He added, "There should be a performance in order to be a dance group! Dance!! Live forever!! Thank you After School. What are you going to do next? I'm anticipating a lot...", revealing his fandom. Netizens commented, "We were also surprised by the performance. It was the best!" and�"I think it'd be fun if Super Junior and After School performed each other's dances". Source: Newsen via Nate