The Villainous General in a Musou Game: Breaking the Death Flags

A man working at a black company indulges in his only joy after returning home: playing the musou game "Brave of Kingdom." Suddenly, a strange screen appears, and he finds himself reincarnated in another world!? In front of him is Selina, a female lieutenant in military uniform whom he has seen countless times in the game. And upon looking in a mirror what he see is a... muscular, bearded old man?...