I Became the First Prince: Legend of Sword’s Song

Other Name: I Became the Degenerate First Prince / I Became The Rogue First Prince / I Became the Rouge First Prince: Legend of Sword's Song / 망나니 1왕자가 되었다

I Became the First Prince: Legend of Sword’s Song - Summary

Reborn as a sword, I lived for several hundred years, spending my entire existence looking after everyone. Then, out of nowhere, I took over the body of a fifteen-year-old uncouth first prince. "Do you have any idea how many I've raised?" The great knight once called the Undefeated, the Dragon Slayer who brought down the Mad Dragon, the Mercenary King, and more... I raised every single one of them. The Magic Sword Gruhorn possessed the body of the uncouth first prince...And has begun to write a new legend.