Happy Together Town: Radio Romance Special with Im Baekcheon, Choi Soojong, Lee Hyunwoo, and Kim Yewon. Legendary Big Mouth: Sweet Voice Avengers Special with UN's Choi Jungwon, K.Will, Urban Zapkapa's Jo Hyuna, MeloMance's Kim Minseok, and MOMOLAND's Yeonwoo, JooE, & Nancy.