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The one-episode drama, which aired on April 20 to commemorate Disabled Person's Day in Korea, told the story of a genius conductor Seo Ki Chan (played by Jung Tae Woo). He becomes a conductor to an orchestra made up of youths with autism, and after getting to know and understand the kids in his orchestra, the 'Viva Ensemble', he puts on a memorable performance. 

Baro played the lead role of Sunwoo, a boy with autism who plays the violin. The idol was able to portray Sunwoo's role down to the most minute detail from his gaze, his expressions, to his hand, and finger gestures. 

Baro stated via his label WM Entertainment after the drama's broadcast, "It was a meaningful experience for me to take part in a production with a good purpose. It was also an opportunity for me to learn and think about a lot of things. It was a short, but very memorable time. One I will not be able to forget for a long while."

Meanwhile, B1A4 will be holding their fourth official fan club meeting on April 23.