Games like Hakuoki Zuisouroku DS

If you finished Hakuoki Zuisouroku DS, the closest matches are Bakumatsu Ishin: Amakakeru Koi, Diabolik Lovers: Vandead Carnival, Diabolik Lovers More, Blood, Diabolik Lovers: Haunted Dark Bridal and Diabolik Lovers: Lunatic Parade. All 8 share its visual novel genre and are ranked by how closely their themes and modes overlap.