I Become Demon to Find My love

Ivan was a normal child in a normal house. He didn't have a father but was happy. One day, his best friend Lucia came to his house to watch movies, and somehow they ended up becoming boyfriend and girlfriend.

Their relationship continued for three years. Three years later, Lucia disappeared, her eniter existence erased. No one remember her anymore.

If Ivan want to find Lucia, he had to accept Demon System, and accepting Demon System meant, the enemy of the world.

Ivan didn't even think for a second and accepted Demon System.

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No NTR