Nano Machine

Nano Machine
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After being held in disdain and having his life put in danger, an orphan from the Demonic Cult, Chun Yeowun, has an unexpected visit from his descendant from the future who inserts a nano machine into Chun Yeowun's body, which drastically changes Cheon Yeo-Woon's life after its activation. The story of Chun Yeowun's journey of bypassing the Demonic Cult and rising to become the best martial artist has just begun.