Link and Pieces – Prolouge.

It was once said that a group of people opened the gateway of a different realm.

To open such realm. a ritual must be done to link these worlds.
These Persons decided to negotiate with one of the beings of the realm and they create the portal inside an abandoned hut.

Once the ritual was done, the portal of the realm is open. And to enter the realm the individual must cross boarders meaning that, the individual must cross the boarder safely and without getting killed by the habitats of the realm.

The persons who created the portal for the two worlds failed to cross the boarder, they are betrayed by the individual they've dealt with.

Despite the individual's attempt to destroy the human world. A priest does a counter-ritual to seal this being. However, the priest acknowledged that the seal would be broken by other people with dark desires.

To not let that happen in the near future the priest decides to sacrifice himself to destroy the Individual's soul. But as the priest was not powerful enough to seal this powerful beast, the dark individual and his soul was fused into one and then torn into fragments to destroy the evil being.

The individual has been destroyed. but not banished forever, meaning that a possible reincarnation is imminent.
the priest followers found out that three new lifeforms appeared. Representing the seal's success.
however fear of a new up-rise from the evil being. The follower's tried to kill these small innocent beings, despite all their efforts they couldn't do such thing as killing an innocent being. But the Up-rise needed to be evaded at all cost.
The followers decided to throw the baby into the dark world hoping that the small one would never find out about his true origin

only two babies remained. They needed these two far away from the portal.
So a couple of them decided to leave the two babies in the middle of nowhere, hoping that someone from the highway would take them, far, far away.

The followers named these two babies.
DAEMON and SEDNA.
Referencing that they are DEMONS.