Katekyo Hitman Reborn

Reborn!, known in Japan as Katekyō Hitman Reborn! (家庭教師ヒットマンREBORN! Katekyō Hittoman Ribōn!^?, "Katekyō" being a portmanteau of Katei Kyōshi and translated as Home Tutor), is a Japanese manga written and illustrated by Akira Amano. The plot revolves around the life of a young boy named Tsunayoshi Sawada, who finds out that he is next in line to become the boss of the most powerful Mafia organization called Vongola, the Vongola Family. As such, the Vongola's most powerful hitman, a gun-toting infant named Reborn, is sent to tutor "Tsuna" on how to become a respectable boss.

The individual manga chapters are serialized in Japan in Weekly Shōnen Jump. The individual chapters are collected and published in tankōbon volumes by Shueisha, with twenty-seven volumes released as of October 2, 2009. Viz Media licensed the series for an English languagerelease in North America, shortening the series name to Reborn!. An anime adaptation of the series by Artland aired on TV Tokyo between October 7, 2006 and September 25, 2010. There have also been various video games based on the series, as well as two light novels by Hideaki Koyasu.

Reborn! has become one of the best-selling Weekly Shōnen Jump manga with several of its volumes becoming top-sellers in Japan. Reviewers from the series praised its use of comedy as well as the designs used for the infant characters. They also mentioned that though it has become more violent since volume 8, it has turned into a more typical shōnen series, praising the storylines and the fights.

The Reborn! story revolves around a boy named Tsunayoshi "Tsuna" Sawada, who is chosen to become the Vongola Family's boss due to him being the great-great-great-great grandson of the first Vongola boss, who had moved to Japan from Italy during his time. He is told by Reborn that he will become the tenth (Italian decimo) Vongola boss. Also, the other candidates for the position of the head of the Vongola Family have died. For these reasons, Tsuna is the only remaining heir. As such, Timoteo a.k.a. "Vongola IX", the current head of the family, sends Reborn, an infant hitman from Italy, to train Tsuna. Tsuna then unwillingly undergoes training from Reborn. Reborn's main method of teaching Tsuna is the "Deathperate Bullet", which will make the person be "reborn" with a stronger self intent on fulfilling his dying will. Through his experiences, the initially clumsy and underachieving Tsuna unconsciously becomes stronger and more confident, which ultimately makes him better suited as the Vongola Family's boss despite continuing to reject his Mafia inheritance. He also starts making several friendships such as his crush Kyoko Sasagawa.

Tsuna goes through many predicaments in his progress of becoming the Vongola boss including fighting against escaped Mafia convicts posing as Kokuyo Junior High students. Later, The Varia, Vongola assassin squad, claim the right for their boss, Xanxus to be the true Vongola boss, and starts a competition with Tsuna to decide who would be the Vongola boss. To defeat the Varia, Reborn recruits most of Tsuna's schoolmates to become the Vongola guardians:Hayato Gokudera, an expert on dynamite who wishes to be his right-hand man, Takeshi Yamamoto, a baseball player who thinks that the Mafia is a game, Ryohei Sasagawa, the energetic captain of the school boxing club, and Kyoya Hibari, the deadly head prefect. Lambo, a weak infant assassin who came to kill Reborn, and Chrome Dokuro, a girl who has a mental and physical link with the criminal Mukuro Rokudo, joins them as well. Later, after defeating the Varia, Tsuna and his friends are transported to the future where they must face the Millefiore Family, who are annihilating the Vongola. They also find that all the Arcobaleno are dead except for Lal Mirch, who was the holder of the currupted Pacifier. As Tsuna and the Vongola Guardians from his time fight the Millefiore they learn that Shoichi Irie, a comrade of Tsuna's future self, was the one who sent them to the future as the future Tsuna said they were the only ones who can defeat the Millefiore leader Byakuran. It is later revealed that Byakuran has gained knowledge from parallel worlds and that he wants to obtain all the Mafia rings in order to obtain a power similar to omniscience.

After defeating Byakuran, Tsuna and company return to the present where they learn that Tsuna is to undergo the inheritance ceremony to officially become the 10th boss of the Vongola Family. However, the ceremony is attacked by the Shimon Family, who have sworn revenge on Vongola Primo for supposedly betraying the first Shimon boss. Armed with their new Vongola Gear, Tsuna confronts the Shimon family on a secluded island. The Mafia family, Vindice, are involved in the battle and imprison the losers of the feud. After several battles, it is revealed, Daemon Spade, a member of the first generation of Vongola, was manipulating Shimon. He uses the conflict to take control of Mukuro's body and intends to conquer Vongola to remodel it to his image, but the combined strength of Tsuna and Shimon's leader, Enma Kozato, manages to defeat Daemon once and for all. Afterwards, Reborn and the other Arcobaleno are offered a chance to compete against one another in order to undo the curse inflicted upon them. Each Arcobaleno chooses a representative to fight for them, and the winner will have a chance to undo the curse.