A young girl named Souko thinks of Kachou as her father. Miyuki and Natsumi found out that Kachou had a resemblace to Souko's father, who died in a traffic accident when on duty as a truck driver. Natsumi and Kachou decide to help play along with Souko's grandmother in order to appease her anxiety of not having her father around with her after his death and the absence of her mother from her life.