Feared as the strongest sorcerer in the Demon King's army, Ike has a secret — he's actually human and aims to bring peace between demons and humanity.

In a cosmic game of chess, the gods draw human minds into their arena. A fresh apostle and an ancient deity join forces to challenge celestial puzzles and divine jesters.

Earth's God of Destiny lost to Galdardia's Chief God for a bet and chose ten souls to hand over. Galdardia's Chief God handed those ten souls new vessels. Among those souls was Luciel, a salaryman, who fought against his destiny of death.

Takuma is an office worker who is taken care of and coddled by his senior team member Shiori, who is a gorgeous, profoundly kind, loving, and diminutive woman. Takuma certainly hopes that she's not doing it out of duty - but her joy of doing so increasingly exposes her feelings.