The Great Mage of the Hero's Party Reincarnates

At age 13, the genius wizard Rin embarked on a journey with Lista and the hero party to defeat the great evil known as “the Abyss,” which sought to plunge the world into chaos. But as the battle grew more intense, Rin’s body succumbed to the dark poison of the Abyss, putting his life in grave danger. With the words “I’ll come back,” Rin’s soul entered a forced dormancy, only to reawaken 300 years later as a noble boy. Starting his second life in a peaceful world, Rin discovers that on one side of the world, the destined forces of darkness are beginning to stir once more. --- The battle with the arch-nemesis resumes after 300 years. The genius wizard, Lynn, embarks on a grand journey, at the age of 13. Together with the party of heroes, led by Esther, they aim to defeat the great evil “Abyss” that intends to throw the world into chaos. However, the battles becomes increasingly fierce and at the final moment, Lynn succumbs to the dark poison of the “Abyss”. Leaving behind the words “I’ll be back”, Lynn’s soul falls dormant for 300 years, before being resurrected into the body of a boy of noble birth. Thus begins his second life in a peaceful world. But in the meantime, a dark force is brooding once again, threatening to plunge the world into turmoil once again.