The original Diabolik Lovers visual novel game was released in Japan, marking the start of the franchise.
The first season of the Diabolik Lovers anime adaptation aired on Japanese television.
A sequel visual novel, Diabolik Lovers More,Blood, was released, continuing the story and expanding the franchise.
The second season of the Diabolik Lovers anime, titled Diabolik Lovers More,Blood or Second Kiss, aired on TV.