Dream Hazard: Akuma no Program

Kaori is a modest girl who is secretly in love with her senpai. One day, she finds out about an ad for mysterious dreams, where people can relive real dreams, and decides to give it a try. After registering, she finds herself in a mysterious place where she is forced to undress and put on a special sensory suit with devices attached to her body.

When the real dream begins, Kaori finds herself alone with her lover. At first, she is happy, but then things don't go as she expected. Amidst the rapid change of events, senpai becomes violent, forcing her to associate with other men. He allows them to touch her and even rape her, teasing and torturing her.

When Kaori tries to terminate the program, an error occurs that prevents her from doing so. The challenge continues as Senpai and a computer program guide her through various extreme scenarios.

Finally, the program ends and Kaori is released from the nightmare. Despite everything that's happened, it seems like she wants to come back for another round.