GetsuFumaDen

In the first years of the Demon Age, a horrible demon named "Dragon Master" was revived by his minions in hell. To protect the peace of the overworld, the two eldest Fuuma brothers fought the Dragon Master. Both were unable to defeat him and were killed, losing their legendary Wave Swords, also called Hadoukens. To avenge their deaths, the last of the Fuuma brothers vowed to slay the Dragon Master...