Guest is an S-rank hero belonging to the Hero Association. Before Guest's overwhelming power, villains were helpless, and the war between heroes and villains seemed destined to end in an easy victory for the heroes. However, the villains devise a plan to render Guest powerless through Lee Jihye, an A-rank villain known as 'Mind Hacker' with cognitive manipulation abilities.

The plan is as follows: 1. Lee Jihye uses her cognitive manipulation to alter Guest's memories, making him believe that he and Jihye are a happily married couple who have lived together for a long time. 2. While gaining Guest's trust, she secretly laces his food with power-weakening drugs. 3. Once Guest is completely powerless, they will eliminate him.

Lee Jihye initially threw a tantrum, saying she hated the idea of playing the wife of a hero she despised so much, but she eventually gave in. She successfully approached Guest and implanted the fabricated memory of being his gentle wife who had been married and living with him for 10 years. Since then, she has begun secretly adding power-weakening agents to the meals she cooks for Guest.