Games like Mahou Shoujo Sakana

If you finished Mahou Shoujo Sakana, the closest matches are Schrödinger's Call, The Cosmic Wheel Sisterhood, Milk Outside a Bag of Milk Outside a Bag of Milk, Staffer Case: A Supernatural Mystery Adventure and Koi hi Kogaruru Kamikakushi. All 10 share its adventure genre and are ranked by how closely their themes and modes overlap.