Games like Vitamin X Detective B6

If you finished Vitamin X Detective B6, the closest matches are Diabolik Lovers Chaos Lineage, Shoujo Shuryou no Suiri Ryouiki: Kogane Shima no Mitsuyaku, Amnesia, My Candy Love and Diabolik Lovers More, Blood. All 8 share its visual novel genre and are ranked by how closely their themes and modes overlap.