Nikaido Aya, a young lady in a box, is targeted by her father's hostile organization. She is still innocent and doesn't know much about sex, so she is a despicable thing to train Aya into a lewd meat slave and use her as a hostage for negotiations. She desperately resists, but she soon finds out that her anus is incredibly sensitive. She reacts to a number of overwhelming tortures and is remodeled into de M. She transforms from a neat and weak girl like an angel into a succubus.
![HUNT-724 [Pechapai] was ridiculed for being small, so I"ll grope and make it bigger! No one in my class, whether girls or boys, pays any attention to me. The only one who talks to me is my childhood friend!! ○ Back when we were kids, she was a tomboy with](https://pic.7tv022.com/censored/m/70076_HUNT-724.jpg)
