Synopsis

Iska Fuyu is a kind normal boy. until at age 17 he got illness call dark flu. since then during that time the disease was, and many people have die by it.

When he heard about when he'll die in 2 days, he wasn't afraid of dying and accept it. At the second day he slept, when he woke up he was in a white-space room. As he work up, he saw an angel, the angel came to speak to him, and call himself Gabriel, a message of god. Gabriel spoke to Iska Fuyu about him being reincarnation to a new life, and sending him to a world call " halo ring". He also tell Iska Fuyu about choosing to defeating the evil fall angel who is call "The Destroyer" who has brought many destruction, and death. As well as his four disciple who are call "The Four Great Heavenly".

Gabriel also tell Iska Fuyu about "The Twelve Demon Kings", which each of "The Four Great Heavenly" has 3 disciple each, who Iska Fuyu has to train and get stronger, in order to defeat "the destroyer". Iska fuyu agree to fight, and Gabriel send him of to the new world, with a new life and body. To fight against "the destroyer" and his disciples. Where the beginning of the end of his journey starts."