Born to the spiritual clan Umbra rarely contacted as it resides deep in the snowy mountains of alaska, our protagonist Mori Ranmaru was born cursed from his ancient ancestors who made a deal with an 'overlord curse' to keep their life full of riches in return every third son of the next generations will have their life taken from them at the age of 25. Mori however unlucky he was, is also blessed with an unknown power the tribesmen only pray for.