Hiraheishi wa Kako o Yumemiru

A mid-rank soldier dies at the end of a war against the Demon Race, then awakens years earlier as a baby in his real mother’s arms. He remembers the tragedies that took his loved ones from him and is determined to prevent them from happening again. To prepare for the coming demon invasion, he draws on the swordsmanship and magic advances that emerged during the war. Reborn with his former life’s knowledge, he works to strengthen himself as efficiently as he can.