Games like Shall we date?: Mononoke Kiss

If you finished Shall we date?: Mononoke Kiss, the closest matches are Ken ga Kimi, Diabolik Lovers: Dark Fate, Diabolik Lovers: Haunted Dark Bridal, Puss in Combat Boots and Butterfly's Poison: Blood Chains. All 7 share its adventure genre and are ranked by how closely their themes and modes overlap.