Plot
Yumi is a 30-year old, ordinary woman who struggles with expressing her feelings. Told from the perspective of the many brain cells in her head, she experiences growth in both her love life, her career, and finds happiness in the small joys of everyday life.
Cast
Kim Go-eun
as Kim Yu-mi
Jinyoung
as Yoo Ba-bi
Ahn Bo-hyun
as Ku Woong
Joo Jong-hyuk
as Louis
Lee Yu-bi
as Lee Ru-bi
Shin Ye-eun
as Yoo Da-eun
Pyo Ji-hoon
as Ctrl+Z
Mi Ram
as Kang Yi-da