Games like Hana Yori Dango: F4 to First Kiss

If you finished Hana Yori Dango: F4 to First Kiss, the closest matches are Otometeki Koi Kakumei Love Revo!!, Diabolik Lovers: Lost Eden, Signal, Magical Paws and Pinky Distortion. All 6 share its visual novel genre and are ranked by how closely their themes and modes overlap.