Shi ni Modori, Subete wo Sukuu Tame ni Saikyou he to Itaru

Synopsis

Eric's life was stricken with hardship, and after years of enduring the losses of those most precious to him, he finally dies on the battlefield. However, the end of his life was really a second beginning. He finds himself reborn at the very start of his life, with all his memories intact. Now, as the only one who knows the dark fate that awaits everyone he cares about, he must do what he can to become the strongest and save them all.