Takayuki Sugo

In a small fishing village, a gloomy middle school student named Kai meets a mermaid named Lu.

Lupin III competes with the Kisugi sisters to steal a triptych of paintings that once belonged to their father, and which hold the key to a long-unsolved mystery.

The story takes place in 19th century Europe, and revolves around John Watson. He is scouted by the government to become a secret agent. However, Watson lives in a world where "Frankensteins"—human corpses that are re-purposed with a false soul in order to use them as laborers—are used to improve industrial development.

Control — the Commonwealth's covert ops group — suspects a double agent within the Kingdom's royal family and dispatches Ange and the rest of "Team White Pigeon" to discover the truth.

A former samurai, a yakuza bodyguard, a devious spy, and a geisha assassin try to find their place in the rapidly evolving Meiji-era while escaping the sins of their pasts.