Ten people, both students and magic teachers from Crypton academy arrived on the mainland. They all survived because of the summoned creature Aeera summoned.

"Aeera, what is the name of your summoned creature?" Monica asked, she felt guilty for always bullying Aeera. However, Aeera even saved him from the monster Grote. Monica herself was surprised, she had never seen a summoned creature with a human-like form. Never existed at all.

"He is called Mr. Kalandra, he is indeed great," said Aeera without hesitation, she always smiled when she remembered Mr. Kalandra and how he stylishly defeated monsters as well as demons.

“How did you do it, Aeera? Have you known your summoned beast before?”

"No Monica, I don't know him at all. It's possible, he is an Immortal."

Immortal is the opposite of mortal. They were like creatures that had a long life and great strength. Within this world, there are races of monsters and demons that rule the land. They were all feared by humans and their lifespan