お嬢様の下僕

Hokusai Kinoshita, who lost in gambling, carries a debt of one billion yen. In the midst of that, he unintentionally saves the life of Rui Amamiya, a young lady of a wealthy conglomerate, and she pays off the debt in Kinoshita's place. Then, he ends up becoming the sidekick for Amamiya's hobby—hero activities—!?