Welcome to Alabama! It’s Legal Bro!

$$$ Welcome to Alabama! It’s legal bro! $$$ is a game in which the protagonist, a former demon lord, is punished for failing to play his role as antagonist.
In order to teach him how to become a true villain, the big bright thing had him reincarnated as an American during the lockdown and gave him the mission of mentally destroying his new sister. Will he stand up to this insane order, or obey it? Will he understand why this girl must suffer such punishment? Is he capable of going against the will of this luminous thing?​