On January 29th, MBC's "Radio Star" broadcast a special episode featuring Baro, Son Ho Jun, Park Ki Woong, Seo Kang Joon and No Min Woo.
There was a segment in the show when the guest made a call to a random female audience and later would try to serenade them with a song. No Min Woo sang his self-composed song "Baby" and made all the female audiences hearts fluttered with the sweet lyrics and melody of the song.
At the end, No Min Woo made a bold action by singing a line "Can we kiss?" then he made a real kiss on the girl's cheek, surprised everyone on the set, especially made all the female audience jealous over his fan service.