My mother has gone to VR another world for a while now

Aoyama Kasumi, a critic and expert, is extremely strict, pushing for tight control over the entertainment industry to keep out any filth. Her son, a reclusive otaku, doesn't get along well with her.

Discovering a new virtual reality console in her son's room, she decides to check it out, but a sudden thunderstorm erupts, and for unknown reasons, she finds herself trapped inside the game world. Now, together with her son, she must complete the game to return to reality—except the game isn't ordinary; it's themed around sex...