Dracu-Riot! (Manga)
Other Name: 

Genres: manga, Seinen, Adult, Ecchi, Harem, Police, Romance, Supernatural, Vampire
Authors: Yuzusoft
Chapter: 40+
Year: 20XX
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Description:
“Aqua Eden”—a man-made floating island where gambling, sex trade, and thievery is allowed by the government. But there is one more thing that lurks in the streets of the island-vampires. Mutsura Yuuto is working with one of them, and together with a few other members of their group, they fight to uphold morals on the island.