In 1888, a number of prostitutes were murdered in London, by someone known only as "Jack the Ripper". The murderer takes to the streets each day, looking to slit some unfortunate woman open... The past of Jack the Ripper, the English gentleman who represented the human side in the fourth round of the struggle between God and mankind known as Ragnarok, who was one of the top-three most popular characters in the character poll, is finally revealed!

Can I kill a person as a police officer!? It's been three and a half years since I became a yakuza, and the infiltration never ends.

Kanetaka of the Higashi-Sheath Association is a gangster with a strong arm who has climbed up to assistant young head.
He landed in Okinawa at the command of the organization and killed his target, Kino.
That night, Kanetaka vomits violently.
He was an undercover investigator at the Metropolitan Police Department!
What is the purpose of Kanetaka's actions!?