Games like Nina Aquila: Legal Eagle, Chapter IV - Sacred Feathers

If you finished Nina Aquila: Legal Eagle, Chapter IV - Sacred Feathers, the closest matches are Schrödinger's Call, AI: The Somnium Files - Nirvana Initiative, Master Detective Archives: Rain Code, 428: Shibuya Scramble and Root Letter: Last Answer. All 7 share its adventure genre and are ranked by how closely their themes and modes overlap.