Kyonyû massage: Shibirete zetchô (2013)

The massage parlor run by Mr. and Mrs. Aoyama is filled every day with customers who come for wife Nana's large breasts. One day, Mr. and Mrs. Aoyama's peaceful life changes drastically when they help an elderly woman who says that her property is under attack by her own son and his wife in front of the store and that they are being chased. Nana is attacked and captured by the yakuza. And who is the man who appears before the captured Nana?