Rieko has been married to a man with a stepchild for 3 months. She has a good relationship with her husband, but she has not yet been able to break up with her son Kazuya. My husband, who couldn't see it, proposed a family trip ... Kazuya, who began to feel the attraction of Rieko as a woman, could not suppress his high lust and pushed her down. Rieko repeats the climax many times with a gamshara piston and relentless caress. - The body can't suppress the pain in the excellent SEX with Kazuya, which has never tasted before.