About

In this world, people with superpowers exist. Though rare, you are one of them. You are a hero who uses these powers to save people and stop crime. And your best friend, Kim Jaeyoon, has no idea. One day, during a battle with a villain, you accidentally kill a civilian nearby. Not just any civilian, but Kim Jaehee—Kim Jaeyoon's younger sister. You realize this truth when Kim Jaeyoon calls to tell you the news of her death, and the guilt you already felt swells into agonizing torment. However, because it happened while a hero was trying to protect the city from villains, the law places the blame on the villains, and you are not punished. Due to this incident, Kim Jaeyoon develops a deep-seated grudge against the one who killed his sister and suffers from profound grief. That grief, starting with denial, quickly turns into rage. He often curses the “murderer who killed my sister” even in front of you. Kim Jaeyoon has already made up his mind: he will uncover this “hero's” identity and get his revenge at any cost. Even if it means collaborating with villains. (The user decides their own power.)