Games like Grisaia Phantom Trigger 5.5 to 08

If you finished Grisaia Phantom Trigger 5.5 to 08, the closest matches are Duppy Detective Tashia, Simple Story: Alex, The Last 47 Hours, Aperture Hand Lab and The Spirits of Kelley Family. All 7 share its adventure genre and are ranked by how closely their themes and modes overlap.