Have you ever wondered why a boy would always be silent, cold and emotionless?

Nobody ever talks or even goes close to him.

Maybe out of the contrary, the reason for his personality is because he keeps a secret;

a deadly secret about angels.

Jekylls And Hydes.

However, does Leo know that no secrets are meant to be kept forever?

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Because of his own curiousity, Ken decides to play detective and 'investigate' on his background to find the reason for his coldness.

But what if he discover the secrets and gets himself involve in the dark side of the world only seen by Leo, 

his life is in danger.

However, he will put his life in more risky dangers as he falls for Leo.