“Never trust a lonely smile.”

Arroth is a half-angel half-demon who lived as a thief along with his brother Zaganon, until one day, the Prince of the Angels went to search for them. He promised a life that Arroth and his brother could never refuse - but, while working for the angels, his brother is met with an unforeseen curse.

The sudden appearance of an unknown and powerful criminal named Dayan shatters Arroth's plans to live safely. Now, he wanted to take revenge... But will he be able to? When Dayan himself the source of his powers?

Arroth embarks on an adventure to save his brother and uncover a secret that could potentially end his world.