Cordarone (Hashirama x Madara AND Tobirama x Izuna)

Izuna Uchiha is not only an unloved child - he is hated. Having been gifted a terrible curse by a God in order to punish his father, he is thrown out of his home and left to fight for himself. He is soon taken in by the monarch of the country, who demands horrible experimentation to take place on his body in order to find out more about the curse. Much to the anger of the prince Tobirama, who soon befriends Izuna. But Izuna struggles to keep his curse a secret from Tobirama, whom he admires endlessly. What will Tobirama think of Izuna when he finds out the terrible state of him?

Soon, Izuna's brother, Madara, comes to court to be the squire of the crown prince, Hashirama, as payment for the royal family. But Madara has a terrible heart condition that might stand in the way for the friendship between him and Hashirama to blossom into something more...

As the four grow up together from children to adults, will their hearts find their way to one another through the hardships of fate?