Cain von Silford was reincarnated as the son of an aristocrat and given immense power and divine protection by mischievous gods. In return for his brave deeds, he has been granted his own mansion by the king at the young age of ten. But his status in this world is not assured - first, he must hold a lavish housewarming party where he will be judged by his fellow aristocrats. And while his power is already so great that he must try to conceal it, what will happen when the king gives him access to the palace's library of magic books?