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When he was doing nothing, he encountered a training system and had to study hard. Looking back, he was already...

Holding the sword of destiny, kill all the demons in the world; always think about the soul in your dreams, and keep it in your heart forever! Wu Feng! A stranger from a different world, who has seen all the vicissitudes of the world, has become the supreme immortal king.

A pseudo-slash young man in the 21st century fell into the water and was taken by the system to the year of the Xuanwumen Incident. He was reborn, no, it should be said that he was reborn. Later he became the most leisurely one in the county...