Takashi has been dating his girlfriend Hazuki for a year and now he's going to visit her at her house. Hazuki and her mother, Rei, welcome Takashi at the front door. Rei is considerate to Takashi, who is nervous, and treats him kindly. Just as they start to relax and chat about everyday things, an incident occurs. Rei's nipples are visible through her chest! Takashi is shocked and flustered...Hazuki notices Takashi's behavior and quickly blindfolds him. Rei finally realizes what has happened...