The General

JSDF officers Saito Araya dies on a road accident and finds himself in a forest of a world unknown to him.
Wandering around the forest for a while he come across a girl in the forest. Next thing he know is that they both were ambushed by a black panther and Saito fighting it and killed it!
After that they get to the nearby village and Saito tries to settle there and eventually he becomes a General of a Samurai army in a world of knights, mages, demi-humans and demons.
What will happen to him in his new life as he finds his love and tries to survive while helping those in need?