I received a package that was sexless and frustrated with my mother-in-law, Eri. When I opened it, I found erotic underwear and a vibrator. Eri who undoubtedly uses the letter written as a free monitor. However, it was actually a trap sent by his son-in-law, Hideki, who wanted to own Eri's big tits. Hideki who was shooting the situation approaches Eri's body!