Games like Okuri Inu

If you finished Okuri Inu, the closest matches are The Suicide of Rachel Foster, Corpse Party II: Darkness Distortion, Milk Outside a Bag of Milk Outside a Bag of Milk, Milk Inside a Bag of Milk Inside a Bag of Milk and Your Turn to Die: Death Game by Majority. All 8 share its adventure genre and are ranked by how closely their themes and modes overlap.