"Tutor Hitman Reborn" is an anime about sex. The story revolves around the growth of Sawada Tsunayoshi, the tenth generation leader of Italy's largest Vongola family, and his family members. Sawada Tsunayoshi, the first descendant of Vongola, was a "good-for-nothing Tsuna" who could do nothing. However, in order to train him to become a leader, the Italian assassin Ribo En was entrusted by the ninth generation of Vongola to come to Japan and start educating him. With a kind heart and unwillingness to hurt others, he didn't want to be the leader at first, but in order to prevent his companions from being put in danger, he began to take responsibility, fought again and again, and gradually grew into an excellent leader.