After the last game of the vorpal swords, their Phantom Hime suddenly disappeared...
The Kiseki no Sedai along with their new team search for her for many years... But they failed.
Wait I forgot to tell you that The Kiseki no sedai are also known as the most strongest assassins around the world. Well continuation..
On the other hand, Tsunayoshi Sawada known as dame tsuna, secretly known as the future decimo of the Tenth Vongola generation have a new homeroom teacher.
And reborn, former sun arcobaleno along with now the former arcobalenos where freed by their curse. But what if tsuna's new homeroom teacher got involved into the mafia world? Ahemmm cause of Reborn. Or so they thought. And New arcobalenos!?
Please read the story to know what happened next.
disclaimer: I do not own khr or knb