If you liked this
Games like Hearts of Olympus
If you finished Hearts of Olympus, the closest matches are Akuma Ouji to Ayatsuri Ningyou, Temirana: The Lucky Princess and the Tragic Knights, Amnesia, Shinsouban Mahoutsukai to Goshujin-sama: Wizard and The Master and Diabolik Lovers: Haunted Dark Bridal. All 10 share its visual novel genre and are ranked by how closely their themes and modes overlap.
Akuma Ouji to Ayatsuri Ningyou
Temirana: The Lucky Princess and the Tragic Knights
Amnesia
Shinsouban Mahoutsukai to Goshujin-sama: Wizard and The Master
Diabolik Lovers: Haunted Dark Bridal
Diabolik Lovers: Lost Eden
Shall we date?: Angel or Devil
The Last Sacrifice: Blood King's Treasure
The Last Sacrifice: A King's Past
