Tamashī no hojū-sha

Every 1000 years souls from the underworld that have committed sin and seek revenge come to life and feed on the innocent but in the year 1000 the king of the sinful souls and the beloved people of the critosia island came to an agreement if our people are able to kill 5 of his strongest demons he won't unleash all of the souls at once through swordsman energy techniques my people have discovered and mastered we've been able to defeat the souls every Thousand years but this time is different this year is more sinister, gruesome ragful vengeful my name is siekastu and this is the story of the "soul replenishers"