Grandpa's Great Escape

Kobayakawa is a struggling office worker who is constantly belittled by her boss for her mistakes. Seeking a way to cope with her stress, she follows a colleague's suggestion and begins purchasing adult toys online. What starts as a simple means of comfort quickly spirals into an all-consuming addiction, leading her to use the devices even during work hours. Unbeknownst to her, the security guard at her apartment is closely monitoring her descent into ecstasy as he facilitates her growing obsession.

Saeko struggles to maintain her professional image while battling an addiction to adult toys, often wearing them secretly at work. Her life becomes complicated when her seemingly innocent colleague, Sayaka, discovers her secret and manipulates her into a series of increasingly daring sexual encounters involving Saeko's husband, Murakami. As Sayaka introduces more powerful devices, Saeko spirals deeper into a world of pleasure and guilt, eventually becoming a puppet to Sayaka's whims before the manipulative girl seeks a new target.