Aren was once a young lord—naïve, innocent, and unacquainted with the world.He was transformed into a cold-blooded killer, a merciless killing machine, by a horrifying incident—or rather, a carefully orchestrated conspiracy carried out against the Viremonth family.The tragedy ended with the death of every single family member, without exception, leaving behind one sole survivor.And so, driven by vengeance, the gentle and noble aristocratic boy turned into a monster.After spilling enough blood to fill one of the seven seas, Aren met a mysterious death.Yet never—not even in his wildest dreams—did he imagine that he would be reborn into another world.In the body of someone else.And that someone happened to be a rising new idol.So what will Aren’s new life be like?Will this world erase the hatred he once carried?Will Aren be able to live in peace under this new identity?Or does fate have something else in store for him?Follow the journey of Aren—the killer idol—and discover how he overcomes every obstacle and hardship on his path to stardom… and toward the happiness he has always longed for.