Kateikyoushi Hitman Reborn

Description: Tsuna is a hapless youth with low test scores and lower self esteem. His mother hires a tutor to help Tsuna out, but it comes as a surprise to the both of them when the tutor is a baby named Reborn, claiming to be from the Mafia. Reborn informs Tsuna that he's the next heir to the Vongola family mafia family and tries to help Tsuna reach the goal. Reborn possesses the Dying Will bullet, which kills a person and brings them back to life to fulfill the last regret they had, and even works to get Tsuna some henchmen to make him a true mafia boss-in-training.

Nowadays, mafia world is ruled by Italian's strongest family, the Vongola. Vongola's current head, ninth in the row, is an old man ready for retirement. But before he can hand down his position, he needs help from a professional Hitman to prepare the next generation Boss for ruling over Vongola and mafia world itself.

Sawada Tsunayoshi is just your ordinary teenage boy who attends Junior High and sucks at it. He is unpopular, has no friends and is desperately in love with a girl from his class. But his life takes an extraordinary turn when Tsunayoshi meets Reborn, an infamous hitman, who has been sent by ninth boss of Vongola to train Tsunayoshi for his upcoming title.