If you liked this
Games like Jasei no In: The Serpent's Lust
If you finished Jasei no In: The Serpent's Lust, the closest matches are Duppy Detective Tashia, Simple Story: Alex, Gold and Glory, Angelic Chaos Re-Boot! and The Last 47 Hours. All 9 share its adventure genre and are ranked by how closely their themes and modes overlap.
