Another evil grandpa?

aqua, Percy, Nico, and Thalia were the last of the eight to survive the war against Gaea, as their reward, they became gods. what happens when they find Sally and Paul dead? Aqua and Percy find out they have a godfather who was a close friend of Sally growing up, problem. he was in British across the sea. Severus was shocked when child services came knocking on his door with four teens, two of them his godchildren. he takes them in and learns that, like him, they were born demigods. he also learns to love them and help them with their nightmares and is also granted immortality as a gift from them. Severus decides to enroll them in Hogwarts, since they all give off a magic sense, what will happen when the big three's godly children are enrolled? read to find out!