Help me find this pls

Ok so i suddenly remembered this manga i read my don’t really know that much about it or if it was even on this site but it was about this girl who was already graduated from high school but she looks really young and i think she looked like this other girl but i’m not realllly sure. So anyway she gets a job opportunity to pretend to be this guys daughter and go to high school for her (i think for her last year or smthn) She becomes this guys friend and i think he had already met the real girl before at like a club or smthn and then he and the other girl pretending to be the high schooler fall in love and ya pls pls pls let me know if you know what i’m talking about