Savage Reign is set in the first half of the 21st century in the fictional Jipang City. A mysterious legendary fighter known only as King Leo has risen up from the shadows of secrecy and issued a challenge on television for the strongest of fighters to battle against him in a fighting tournament known as the Battle of the Beast God. He promises immense wealth beyond anyone’s dreams and legendary fame beyond imagination. Nine fighters have come to the tournament, each with their own sole purpose and reason for battling against King Leo.
Kizuna Encounter: Super Tag Battle is the sequel to Savage Reign. To seek revenge against those who caused his humiliating downfall, the Real King Lion has organized a second version of the Battle of the Beast God tournament. Teams of 2 people must work together from within this new tournament so that they can either ensure victory or face defeat.