The entity responsible for the abnormalities in the skies, they are capable of learning from all sorts of data to become stronger. However, this power did not stay confined to the Sky Realm, and had connected to another world beyond the blue.
While Sakunagi possesses miraculous powers, they are actually an entity originally created to mourn people's final regrets on their death. However, after the long passage of time, Sakunagi's existence had faded from living memory. Nevertheless, the remorseful voices continued to coalesce around Sakunagi until they caused them to shatter under the pressure. Eventually, after shouldering the weight of countless broken dreams, Sakunagi ended up causing abnormalities in the skies in a bid to save the voices of regret.
