Dedicate Your Loyalty to Her Royal Highness!

Unjustly imprisoned, Rein awakens the memory of his past life in the dungeon and discovers that he was a mage in his past life. Law of law. He has been practicing for two years and has a solid foundation in criminal, civil and political science, and is particularly good at criminal law. This world is also the same as a game in the previous life, everything can be compared. He knows the future. Isn't it just a matter of minutes to clear the grievances? Wait, Your Royal Highness, what are you doing in prison? ... After a long time. "Rein, why did you come to my bedroom in the middle of the night? And what are you holding in your hand?" "Your Highness, I will compile laws, explore ruins, strengthen the army, and make plans for you. Your Highness, can you trust me?" "Ah? Of course I believe you, but you are..." "Just believe it. There is no time to explain, Your Majesty. I will change your clothes for you."