Games like Shikkoku no Sharnoth: What a beautiful tomorrow

If you finished Shikkoku no Sharnoth: What a beautiful tomorrow, the closest matches are Summertime Saga, Majikoi! Love Me Seriously!, Sex Life, Sono Hanabira ni Kuchizuke wo: Shirayuki no Kishi and Sono Hanabira ni Kuchizuke o: Tenshi-tachi no Yakusoku. All 9 share its adventure genre and are ranked by how closely their themes and modes overlap.