Help me find manga! Pls!

Can anyone help me find this manga's name? It's about this girl and guy who switch personas. In middle school he was a nerd and she was popular, but in high school she becomes the nerd and he becomes the popular kid. They both game with each other. They date in secret. I read this a while ago, and I can't find it (╯°Д °)╯╧╧ HELP ME PLS!!!!!!!!