Mnet�released a fourth making of video for mini drama 'Mimi,' showing TVXQ's Changmin singing the remake of Lee Hyun Woo's "I Have To Forget You," which serves as the couple's love theme song. �

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The clip shows him mostly in the studio, but also on the set, strumming away at a guitar. His voice is very soothing and lovely, perfectly capturing the emotions that come with the bittersweet romance in the drama. �Prepare to be serenaded by Changmin in the above video!