Fate Graphite is cursed with the skill "Gluttony". He is starving until the day he kills a thief and devours the man's strength and his soul. The true hunger of Fate's Gluttony has awakened and he will be the master of his own destiny.

Yusuke Yotsuya is transported to an alternative game-like world. He becomes a third player and sets out on a dangerous quest with his classmates Iu Shindo and Kusue Hakozaki, who were transported there before.