If you're looking for anime similar to Diabolik Lovers OVA, you might like these titles.
After the events of the Onikirimaru incident, Tamaki thinks that her days of trouble are finally behind her. But when Logos reappears with a deadly plot, one of the five Guardians is revealed to be a traitor! With the people closest to her now in question, Tamaki will have to decide who she can truly trust if she wants to stop Logos for good. The truth behind the Tamayori Princess will finally be revealed as Tamaki battles evil once again!
When Tamaki is attacked by creatures believed only to exist in myths, she's rescued by a young man who is not only part demon but also her future classmate! Moreover, he is part of a group of protectors that Tamaki will need if she is going to fulfill her destiny as a Tamayori princess--a destiny no one told her about! To add to the chaos, Tamaki is fresh meat at a new high school and has to learn to deal with some very, very old school problems in Hiiro no Kakera ~ The Tamayori Princess Saga!
Angelique is the queen of the cosmos in a lush fantasy world, with nine strong and handsome guardians at her command. What started as a simple reunion between friends turned into a nightmare when the recently deceased Arios came back from the dead with a sinister plan to kill both queens! Can the gang come together to save not only themselves, but Arios himself?
It's the 25th year of the Taisho Era in Imperial Tokyo. Kuze Tsugumi, daughter of aristocrats, agrees to be married to save her family from decline. But before she goes through with it, her younger brother Hitaki gets her involved in an incident caused by a "maremono," a type of book that casts a great influence on whoever reads it. As a result, Tsugumi gains the power to see "aura," a light that represents the emotions that dwell within a maremono. This is the story of a woman whose destiny seems to sway up and down, as if on the delicate balance of a scale.
After defeating the Spirit of the Sacrea which prevented the newly born Seijuu Universe from developing, Angelique hears that the Queen of Seijuu Universe – the one who maintains the stability of nine Sacrea - has disappeared. Moreover, she cannot go back to her home universe because the dimensional corridor connecting both universes has been destroyed. The Seijuu Universe is still in danger and Angelique is left alone without the support of nine Guardians. What should the Legendary Etoile do to find the Queen and bring her back?
Everything changed when Koharu joined the crew of Norn. The sins of the past forge an uncertain future and put the fate of the crew, and the world itself, in the balance.