From Manga Reborn:
Welcome to the 82nd Precinct, also known as the Crocodile Precinct, which is filled with cops that never let go once they sink their teeth into something.
Leading them is Hino Mika, a female cop who's as dangerous as she is beautiful. Follow her on her adventures in this sexy action suspense series.

A tale of one woman's revenge. After being sent to prison for attempted murder, Nami Matsushima struggles to survive torture from the guards and her cellmates, so that she can escape and take revenge on the man who's responsible for all her pain.