Games like Tatara Kogasa's Surprise Operation

If you finished Tatara Kogasa's Surprise Operation, the closest matches are Pokémon Añil, Cirno's Lost Chirumiru, Cirno Fumo: The Horror Game, 5 Nights At Grek's Hotel and Spooky Spotlight. All 7 share its game genre and are ranked by how closely their themes and modes overlap.