The beginning.

Lee and Jay, whom has connections with the vongola, has came to a beginning. Lee lost his best friend who was in a vongola at a very young age, Jay lost his father who used to lead vongola in the 27th generation. However, things had came to a change by friendship, transferring schools to becoming the 30th generation of the vongola, will they be able to proceed to lead its generation and carry the XXVII's legacy and will? Or end up changing the world as demons?