Games like Omega no Shikai: Aki Kaketa Shiki no Ai

If you finished Omega no Shikai: Aki Kaketa Shiki no Ai, the closest matches are Milk Outside a Bag of Milk Outside a Bag of Milk, Milk Inside a Bag of Milk Inside a Bag of Milk, She Vomited Guns, The Sin and El Chat Escolar. All 8 share its visual novel genre and are ranked by how closely their themes and modes overlap.