Singer IU says she'd stick with Park Myung Soo for the next 'Infinity Challenge' music special.

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The live music special took place on August 13, and the IU-Park Myung Soo collaboration took the stage as the second team, singing their song "Leon". The odd combo went with a 'The Professional' theme with IU dressing up as the character Mathilda and Park Myung Soo as Leon the professional.�

When Yoo Jae Suk�asked if IU would collaborate with Park Myung Soo again, IU answered, "Yes, I want to team up with Park Myung Soo teacher." Park Myung Soo also agreed, saying, "Yes, yes."