"The case of Nanako, a wife who gets vibrated at an SM bar" Nanako is invited to a bar by her ex-boyfriend, who has recently been having a lot of misunderstandings with her husband. Nanako is sexually harassed so that the customers don't notice, and she gets aroused. She is invited back to the same bar later, but the back of the bar is an SM playroom! She is tied up, stripped naked, and vibrated until Nanako. Nanako is completely captivated by the mysterious pleasure...