A package arrived for Eri, a mother-in-law who is sexually frustrated due to a sexless marriage. When she timidly opened it, inside were erotic lingerie and a vibrator. Without suspicion, Eri used them, believing the accompanying letter that said they were for a free monitor. However, this was actually a trap sent by her son-in-law, Hideki, who wanted to make Eri's huge breasts his own. Having filmed the whole scene, Hideki now approaches Eri's body!
Glory Quest
