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

Eric has had a hard life. At the age of 16, his village was overrun by monsters, who killed his friends and family. He soon became a soldier, but failed to save the life of the woman he loved. In the end, he died on the battlefield, surrounded by the bodies of those who he couldn’t protect.
When Eric wakes up, he finds himself in a baby’s ...