[JUL-527] Husband is away from home, lustful mother-in-law secretly asks son-in-law to have sex

An incestuous sex movie of Ririko Kinoshita, Her husband had to go on a business trip alone so she moved in with her daughter and her husband. Although it was better than living alone, Ririko still felt lonely and deprived of sex. Every night she had to masturbate to comfort her body. She also discovered the shadow of a giant cock looming outside the door, it seemed that person was also masturbating with her. She also guessed that the person was probably her son-in-law. Discovering that her daughter did not like having sex with her husband because his cock was too big, her son-in-law always had to do it alone. Ririko immediately came up with a bold idea, which was to sneak into the couple’s bedroom and soothe her son-in-law’s giant cock! “It’s all for Keiko and Kunio-san”, “Blowjobs don’t count as adultery, right?”. Awakened, Kunio couldn’t resist Ririko’s alluring body, and the two continued to make love even though Keiko was sleeping next to him. Their bodies seemed to be made for each other, and they continued to make love and climaxed over and over again whenever Keiko was absent. The two seemed unable to live without making love to each other…