It's Normal for an Evil God to Keep an Abomination, Right?

This is a crossover anime/manga story; even those unfamiliar with the original works can enjoy reading it. Updates are stable. Current world: The Three Questions of Doomsday. Worlds already experienced: Fate/Zero, No Game No Life Zero, Fate/stay night. When Abigail answers the summons, it signifies the start of the Holy Grail War. But what's more interesting than raising the adorable Abigail? ------------------------------------- "You must be our savior! Please save us!" In a world already on the verge of destruction, someone prays in this way. "How could I, an evil god, become a savior?" Xueyue mocks herself. "However, if saving the world makes one a 'savior,' then I am. I'll try my best." This is a story of girls traveling to different worlds, saving and witnessing along the way.