Sanada Yukimura is building a castle to defend Oosaka during the Summer War. But his plan has a flaw: there's a hole in the ground that forms a secret entrance!
are about to engage in what will 
be known as the "Battle of Osaka"
"على وشك أن يدخلوا فيما سيُعرف بـ"معركة أوساكا
et le clan Toyotomi, connu plus tard
comme le siège d’Osaka, allait débuter.
estava prestes entrar em batalha, no que 
seria conhecida como "Batalha de Osaka",