Twin Dragons of UA

Naruto Uzumaki is the illegitimate son of Kushina Uzumaki and Enji Todoroki born from a one night stand between the heroes during the Hero Billboard party. She decides to raise her son with the help of her sister Ryuko Tatsuma aka Ryukyu.

Naruto meets Izuku Midoriya as the two become best friends. They get kidnapped when by Izuku's grandfather who experiments on them as they are saved by the heroes and Hisashi. both Naruto and Izuku vow to become heroes as they become the Twin Dragons of UA as well the leading the next generation of Heroes as Ryujin and Dekiru

Disclaimer: I do not own Naruto, My Hero Academia and Fairy Tail