Harry comes home from school and Petunia is upset at the change in her nephew. Petunia decides to do what she should have been doing all along. Dumbledore had better stay away. Petunia Dursley is upset. Warnings on profile.

It's been done, but here's my shot at the old Marriage Contract type story. Harry and Daphne Greengrass find out their parents put together a marriage contract when they were born, now they must deal with it.