Reina

Welcome to the Big House! It looks like any other prison, but this specialized penitentiary was designed from the ground up to hold Japan's most ruthless female inmates. That makes it doubly deadly, because while the guards may be brutal and sadistic, the inmates outnumber them by a hundred to one! At any second the final, fatal riot may erupt, stoking the flames of a thousand forbidden desires into an all-consuming inferno where it's every woman for herself! (gomorrahy.com)

A journalist named Takashi arrives at a rural town to investigate a string of mysterious accidental deaths. Around the same time, a young woman arrives dressed in a sailor suit school uniform. Her name is Misa Kuroi, a powerful witch who's been sent by the leader of her black magic cult to seek out and destroy a powerful demon of destruction called Ezekiel. Eventually, Takashi and Misa cross paths and decide to work together to solve a supernatural mystery. (themoviedb)

Kurosaki, aka Kurosagi, is a swindler who cheats other professional con artists to help their victims and avenge the death of his own family. Kurosaki buys information about other swindlers from the man who cheated his family, Katsuragi Toshio (imdb)

When a new foe arose in 2008, Wataru investigated it and brought him to Shiramine Takato who explains how everything began in 1986. Wataru uses Castle Doran's Time Door to travel back in time, leading him to meet his father.