En los infinitos mundos paralelos solo hay destrucción. Sin embargo, de entre las infinitas posibilidades, ¿puede existir un ser con el suficiente poder como para cambiar toda la historia?

Iemitsu le dijo a Reborn que Tsuna era un dame (perdedor), que sus notas eran horribles y siempre se saltaba las clases de educación física por no querer hacer el ridículo. Ahora el katekyo (tutor o maestro) hitman (asesino) debe ver si ese hombre conoce a su hijo tan bien como dice ya que se equivocó al describirlo. Y todo mientras convierte al chico en el mejor mafioso de todos.

When Iemitsu attempts to seal Tsuna's flames, Nana is not thrilled. The Z Fighters make all the major mafia players look like children playing with pocket lighters, and Tsuna finds his first friends/guardians.

A story of a loving romance with smiles, joy.. guns, aliens, mafia and transformations? A new student arrived to the school from Italy, he soon crossed paths with Videl as well with Gohan. Gohan begins to feel these mix emotions once the exchange students arrive. Is there a love triangle between the 3? Rated M for later chapters and Gohan Videl! - Basil w

when Sam anime moves to japan he meets reborn the hitman who taught tsuna now he is here to teach to Sam how to use his power of using any anime or manga characters power quick note I don't know about every anime like soul eater or fullmetal alchemist so you would have to explain there powers