Raised together within the Oboro Clan, Hotsuma and Moritsune were seldom apart during their youth. Being the younger of the two, Hotsuma looked up to Moritsune, and considered his older brother a superior warrior. Eventually, the Oboro Clan commandment was revealed to the two boys after they discovered Akujiki, the sword that would be used in the ritual to decide the clan's leader. The commandment deems that the next clan leader must be determined by a duel to the death between the eldest clan heirs---in this case, Moritsune and Hotsuma. Aware of their destiny, the brothers trained incessantly, instructed by their foster parent, Kobushi.
