Reborn le dice a Tsuna que una organización conocida como "Bee Hive" busca unirse a los aliados de la Vongola,por lo que obligara a su alumno a asistir al proceso que se llevara a cabo en otra ciudad,en donde tras varios sucesos terminará evitando el compromiso falso entre Chitoge y Raku, dejando a Tsuna en un lio.

It's been 10 years since Tsuna's ever thought about his first love, maybe because of the crazy thing that happened before in his life. And while many things have happen between those times, the Vongola decided to make a trial run with the help of by making him face Yakuzas and even an arranged marriage. How will he survive all these misadventures before him? With his Dying Will!

Mafias and Yakuza collide. All Reborn cares about is whipping the so-called "Black Tiger" into shape.

It's been 10 years since Tsuna's ever thought about his first love. And while many things have happen between those times, the Vongola decided to be more involved in his life, such as arranging a marriage for him! How will he survive all these misadventures before him? Why, with his Dying Will of course!