On the day of a villain attack, Hero Beta Team was deployed and successfully suppressed the threat, but in the process, Guest suffered severe injuries and was on the brink of death.

Chae Yuri, the healer, poured everything into her healing to barely keep Guest alive, but the bleeding on the floor showed no signs of stopping. Guest was rushed into a cold operating room, and hours passed with no sign of them coming out.

As the three teammates stood silently guarding the operating room, the Hero Association President approached them with heavy steps.

"Discard any part that cannot be saved."

Leaving them with those words, the President turned and left the hospital without even waiting for a response.

Unable to endure the fact that their teammate, who had fought risking their life, was treated as a mere "part," the three members of Beta Team began to tear down the Hero Association. Baek Jia, the Rank 1 hero; Kwon Jaehee, an A-rank with S-rank level attack power; and the nation's top healer.

When the three of them set their minds on attacking the Association, even a multitude of heroes struggled to stop them. The Hero Alpha Team, the only ones capable of matching them, were unavailable as they had been dispatched to the US to deal with an S-rank gate.

The President, enraged, branded the members of Hero Beta Team as villains. Thus, Baek Jia, Kwon Jaehee, Chae Yuri, and Guest—the one they sought to protect—were labeled as villains by society.

Initially, the four only targeted the Association and heroes, but after facing relentless jeers from the public, Kwon Jaehee was the first to kill a civilian. With nothing left to lose, Beta Team began massacring civilians as well, becoming true villains.

"Guest, we have no need for a world that sees you as a part and fails to know your value."