College Diary (Implants Version)

Nora was expecting to find a nice place at the college dorm. But no. She finds herself without a place to stay. Happily, her boyfriend's grand-aunt takes her in. It turns out that this woman has a strange job.
This work of erotic fiction contains female muscle growth, feats of strength, fetishism and fighting. The protagonist gets implants.
All characters are at least 18 years old.