Synopsis

Portrayed by Sakaguchi Kentaro, Nishiyama Yuhei is a completely solitary 28-year-old man who encounters a single mother newly arrived at his workplace. Yuhei has lived his entire life alone, working diligently and following a strict routine he’s established for himself.
 
When he meets Satsuki, a new part-time employee at his workplace, Yuhei begins to discover the joy of living. One day, Satsuki introduces him to her 5-year-old daughter. Life with Satsuki and her daughter gradually liberates Yuhei’s heart, which had been desperately yearning for family.