Yuusha no Kimi to Mouichido koko kara (Light Novel)

The Hero, Seraphilna defeated the rampaging god in exchange for her life and saved the world. Meanwhile, the one-armed young man who used to travel with the Hero, Jean was living a life of regret in the remote countryside. Despite being known as a Sword Saint, he had run away from battle. —With only the loss of one arm as the price. A messenger from the capital appeared before Jean one day. “The Hero is still alive. Join us if you want to save her and the world.” “…Why me?” “There is a message left for you. If you do not want to meet her again, there is no need for you to listen to it. As it is likely for you to live the rest of your life carrying those words.” With the magical artifact “Vurum’s Arm” as a replacement for his lost limb, Jean rises up once more to save the girl he failed to in the past. This time, I will not run away. I will stay with you right to the very end. The man who lost an arm holds close the girl who lost her feelings after being cursed by the crazed god, believing in a kind and happy ending. —Let’s start again from now, with you who was a Hero.