Peep Time
"The Letter"
S1 E4:
Shinichi starts dating with Sotoko and he has her over at his place to play board games. When she goes out for grocery shopping, Shinichi finds and reads a letter that Sotoko was hiding from him. Jiro and Akane, worried that Shinichi and Sotoko's relationship will be shattered, try to hide the fact that Shinichi read her letter secretly.
Starring
Susumu Terajima, Yoshimasa Kondo, Gorô Inagaki