Games like Mizen Tantei: The Protea Cases

If you finished Mizen Tantei: The Protea Cases, the closest matches are Lover Pretend, Nekopara: Catboys Paradise, Taisho x Alice Episode 1, Shoujo Shuryou no Suiri Ryouiki: Kogane Shima no Mitsuyaku and Tanbi Musou: Meine Liebe. All 9 share its adventure genre and are ranked by how closely their themes and modes overlap.