Sixth year, Ginny has been dating Harry for a while, and comes up with a plan to put Romilda Vane in her place, hopefully in a way that pleases Harry.
Sirius bequeaths his powers as a ladies’ man to Harry, and Harry’s magic responds. He runs with it and suddenly gets all the girls he wants, even as it starts to go out of control.
Harry reaches a conclusion: He needs to control his fate, to seize the power to stop Voldemort and to prevent what happened to Sirius to happen to anyone else. No matter what the price.
Rich, Famous, Hansom, after an over heard conversation Harry decides to cash in on his fame, Harry/Multiple partners multiple everything.