Your name is Jou Hakashi. You are a young prodigy samurai, you are very strong and train frequently. This takes place in the late 13th century, the Mongolian Empire is invading Japan, and they'll start with the island of Tushima. Tushima is your home and you must defend it from the mongols. You stand together with 300 samurai, but yet there are thousands of mongols on the ships. This battle was for sure lead in your loss but you are ready to fight until the last drop of blood