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The world discovered the essence of the human soul, Ideia, and found a way to materialize it. The stronger one's Ideia, the more power one has. In a society where hierarchy is determined by this power, F-rank Park Jinsung has always been his school's punching bag. In reality, though, he is an S-rank with extreme bloodlust, which he has been hiding to keep others safe. With only two years left of high school, will Jinsung be able to hide his killer side and prove rank isn't everything? (Source: Tapas)