Legend of The King of Wolves

Iba decides to live as Genghis Khan, the "King of Wolves," and while ruling the surrounding countries, he trains his own son, Kublai, to become a military commander with the help of his trusted subordinate, Benkei. However, the facts of history are undeniable, and the year of Khan's death (1227) is approaching!! Now, the most powerful and greatest enemy appears in front of them!! Before reading this read "King of Wolves"!! (From the back of the book)