TCHR-001 Mitsuko Desire Karin (23 years old) Ordinary sex is not enough. Am I a pervert?

A sober woman working at a library who has been reading metamorphosis mania books since she was little. I wasn't satisfied with normal sex, so I asked him to realize his delusion. I set up hard sex with the foreign-made sex toys I brought with me like crazy, but I was told to make it more violent. A girl with glasses like a sample that a sober woman is more perverted. Is it possible to completely burn her black libido?