Rejet’s original Diabolik Lovers vampire drama CD and PlayStation Portable game project centers around the six sadistic Sakamaki vampire brothers.
The game is a fandisc for the original Collar X Malice game.
Aksys Games released the original game in English for the PS Vita on July 28.
The studio ZEXCS adapted the franchise into a television anime in 2013, and the second season, Diabolik Lovers More, Blood, premiered in September 2015.