Tsuyokute New Saga  

Be Stronger! New Saga, 強くてニューサーガ, New Saga

Finally, the demon invasion has ended. Kyle Lenard, with the help of his companions, defeated the Demon Lord and restored peace to the land. Although the battle is over, the land remains in ruins due to the loss of most heroes. Only Kyle survives, mortally wounded but still alive. He manages to activate a mysterious artifact found within the slain Lords lair and is sent back in time to before the conflict began. With this new chance, Kyle reunites with his friends Seran the swordsman and martial artist Riize. Together, they must gather allies and prepare for an upcoming war that no one else knows about using Kyles knowledge of the future.

Tsuyokute New Saga is published digitally in English as New Saga through Alpha Manga.