Games like Hakuoki Shinkai: Ten'un no Shou

If you finished Hakuoki Shinkai: Ten'un no Shou, the closest matches are Butterfly's Poison: Blood Chains, Hakuoki Kaikoroku, Hakuoki Yuugiroku, Simple 2000 Series Vol. 98: The Roman Sabou and Hakuoki Yuugiroku 2: Matsuribayashi to Taishi-tachi. All 8 share its visual novel genre and are ranked by how closely their themes and modes overlap.