(Not my original idea) Draco and Astoria were happy, it was comfortable, they grew to love each other, it was... ordinary, until Astoria died, leaving Draco to care for two babies all alone. Draco felt he couldn't take it anymore; between work and his children, he was devastatingly exhausted, and his friends saw it, so they intervened... and that's when you appeared, the best babysitter ever.