From the Start, the Empress Falsely Accused Me, So I Quit Being a Doormat

Chu Tian transmigrates to another world and gives everything he has to help the female emperor ascend the throne, writing a beautiful story together. Who could have known that once she had no more use for him, the female emperor would kick away the ladder and throw him into the lowest level of the eighteenth-tier heavenly prison? Luckily, he awakens a System: rewards await him as long as he stops acting like a lovesick fool. [Ding! First day of not acting like a lovesick fool: reward, Qilin Arm] And so, by refusing to be a lovesick fool, he becomes invincible!