Saishin soap technique: Nettori go-hôshi (1995)

Akiko had come to Tokyo practically as a runaway. Her best friend, Yoshikawa Miho, was supposed to be working in a department store after graduating from junior college. However, she was working in a soapland (a type of brothel). Miho didn't want to go back to the countryside and had lied to her parents, telling them she was working as an office lady. After hearing Akiko's story, Akiko decided to look after her until she settled down…