Nigoru Hitomi de Nani wo Negau: Highserk Senki

One day, Raizou ​​Takakura, an average salaryman, had a heart attack and his life ended that day. But, he got a second life, in a different world. Reincarnated with strong skills―isn't what happened to him, instead, he was reincarnated as a foot soldier in a small country, Highserk Empire, which is