Kinoshita Toukichiro is a big fan of the game, Lord Oda Nobunaga’s Ambition.   
But after waking up in a battlefield, the game has changed.
Ou'u - Yonezawa Castle
Ou'u - Burg Yonezawa
Ou’u
 Château Yonezawa
Ou'u - Castelo Yonezawa