A romantic-comedy drama following the life of Mi Oh. One day, inside her head, the "sexy" left brain, L, and the "romantic" right brain, R, suddenly appear. "Are you two, my brain?"
Gong Myoung
"L" [Resonance]
10 episodes
Kim Jae-young
"R" [Emotions]
Hong Kyung
Tae U [Mio's boyfriend]
Kim Sung-hyun
Ha Roo
Ahn Sol-bin
"R"
Kim Si-eun
"L"
Moon Joo-yeon
Mi Yeon
