Takiko, a librarian, suspects that her father is cheating her mother, and asks a detective agency to investigate. Takiko's three sisters react differently to the investigation report. Each sister has her own problems, too.
Episode List
S1 • E1
Onna shougatsu
Four sisters gather at Makiko's house to hear Takiko's announcement. Takiko reveals that their father has a secret lover with a young son. Is he their father's own?
S1 • E2
Sandomame
A newspaper prints a post about a similar situation with the Takezawa family. Is it written by one of the four sisters? Or is it a coincidence? The sisters get suspicious and blame each other.
S1 • E3
Gubijinsou
Sakiko finds out her partner Jinnai is betraying her. Takiko and Katsumata go on a date in a clumsy manner and end up in a police station.
