Mamoru Sasaki, a teacher who works overtime and gets dissed by his students, hears a mysterious announcement in school at midnight. The voice welcomes him to the Room of Guilty Pleasure, where he can pick any student he likes. Assuming that it's just a dream from the situation spread out before him, Sasaki picks one student on a whim. Led by the announcement, he enters a classroom where his sassy student, Mai Hoshino, is waiting for him, looking embarrassed...

After finishing his supplementary classes, Sasaki Mamoru works overtime until late at night. He is dozing off when the bell rings and wakes up, only to find himself face to face with "Guilty Hole" once again. "Which girl would you like to go with today?" Sasaki asks nervously, but chooses Takajo Makoto, the class representative. In response to Sasaki's sincerity, Takajo says, "As a thank you for listening to my advice..." and begins to button her uniform.

Congratulations on unlocking the option! We have a reverse nomination today." Sasaki Mamoru can't hide his confusion as a different message than usual comes on the air. Light spills out from his Guilty Hall membership card, and he is transported to the audiovisual room. Waiting for him there is a beaming Hojo Makoto. The letters NN are written on the blackboard. This is a dream world. As his student Hojo stares at him, Sasaki, his homeroom teacher, can no longer contain himself...

While being concerned about a certain student of his, the exhausted Mamoru Sasaki was dozing off. He finds that he had fallen asleep as the usual announcement from Guilty Hole welcomes him yet again to the dream dimension. In the nurse's office, Sasaki gets a massage from Aya Hinata, who tells him to loosen up. As he is moved to tears by her kind words, she gently hugs him...

Mamoru Sasaki gets a notification from Guilty Hole while asleep in bed at home. The doorbell echoes down the hallway, and as he opens the door, he sees Aya Hinata standing there, stepping into his room with no hesitation. As she lifts up her skirt to seduce him, he reflexively turns his back. What could possibly go wrong with a man and a woman in an enclosed space...?

Thanks to the consecutive weird dreams, Mamoru Sasaki has successfully built some trust between his homeroom students. He ends up recalling the dreams during class because they were so vivid, and reproaches himself. However, it's not just Sasaki who's been having the dream, but Mai Hoshino and Aya Hinata as well. The coming day, Hoshino runs up towards Sasaki on impulse as she sees him being friendly with another student, while Hinata witnesses the scene out the window.

The students were getting excited about the coming school festival, only to have it cancelled due to the chairman's decision. Mamoru Sasaki, feeling disappointed and irritated at being useless, gets forcibly flung into the dream by the Guilty Hole that appears before him. In the dream, Mai Hoshino was waiting for him at school. She interrupts Sasaki's depressed talk and kisses him, leaning in and baring her breasts...

A moment of relief after successfully convincing the chairman cuts short for Mamoru Sasaki, when he ends up becoming the school festival's representative. Just when he falls asleep, more exhausted than ever, Guilty Hole notifies him that he has been selected. In the dream, the school festival was being held, and awaiting Sasaki were Mai Hoshino, Aya Hinata, and Makoto Hojo in maid outfits! As his three students gaze up at him with puppy-dog eyes, willingly serving him as a token of thanks for looking after them, Sasaki was finally able to enjoy his dream...