Back to the dormitory

Hermione couldn't do much for Luna while she "recharged" the book. At least, she seemed to enjoy her situation. But the redhead couldn't wait all night for her to come out, so, with the book under her arm, Hermione went back to her dorm room.

Parvati was already sleeping and Lavender was reading a book in her bed. The later noticed her coming back with messy hairs and her clothes wrinkled. She smiled, looking at her from head to toes.

"I see you were having fun with Ron." She said.

"W-What ?? No, that's not what you think !"

"Yeah, sure..."

Lavender was clearly unconvinced by Hermione's flustered defence. Unknowingly, to the redhead, the book was slowly corrupting her mind, and the attitude of her roommate was making her as angry as she was horny. Without a word, she went to change for her nightclothes in the bathroom. Lavender was really getting on her nerves. She started to think that the girl was believing that she was a slut who jumps on anyone, and she really wanted to give her a lesson. Nothing **** of course, just an innocent joke...

Hermione opened the book and looked for a spell that would do the job. One fitted the condition, which was something about heat like burst of libido for few days. Like the rest, she couldn't understand everything about the spell, but it was probably fine.

The redhead opened slightly the door and pointed her wand to Lavender, casting the spell.

In the book, Luna could feel the tentacles filling her mouth, ass and pussy. Luckily, she didn't need to breath, drink or eat. But this constant sensation of pleasure was beyond anything she had ever felt and she was drowning in it. It was impossible to know for how long she was in the book and how long she had left before getting out. But unknowingly to her and Hermione, if it takes around 24h to recharge the book, using it while it's charging, increase the time one has to spend in it. And with her friend being slowly corrupted by the book, she could easily lose her mind before she finally gets out.