Games like Keiko-san (47) my co-worker, is a single mother

If you finished Keiko-san (47) my co-worker, is a single mother, the closest matches are Hentai Girl, Porno Studio Tycoon, Honey Villa, Operation Lovecraft: Fallen Doll and I got a cat maid. All 6 share its indie genre and are ranked by how closely their themes and modes overlap.