After Demon Lords descend upon Earth, humans are randomly selected to participate in life-or-death trials: victors gain wealth, power and even immortality for themselves and their home nations, while losers are destroyed in body and soul, with their homelands suffering catastrophic ruin. Griffin, a young American, is invited to an interview at Chiyou Operations Ltd., only to enter a demon-run deadly assessment where anyone who violates the rules is executed immediately. Trapped in desperation, Griffin activates Sam, a sentient paperclip left by a previous trial winner. It grants him the ability to view demons’ attributes and favorability levels, and unlocks a range of magical items. He survives multiple rounds of trials by skillfully exploiting the rules, while currying favor with Delilah, the demonic HR manager,to boost her affinity for him. When an unstable teammate triggers a repeating time loop ,Griffin breaks the cycle using memory-preserving notepad,and leads his team all way to final presentation.In climax,Demon Lord Chiyou forces Griffin sacrifice his teammates exchange supreme authority.Griffin refuses awakens Sam’s true identity former deity,and slays Chiyou abolishing all deadly rules.He ultimately inherits divine power becomes new ruler realm.
