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The hard-working Zhao Qiang once traveled through time and opened the hard-working system. As long as you work hard, you are practicing! "Ding! Work hard to carry water and get 1 effort point." "Ding! Work hard to climb the mountain and get 2 effort points." "Ding! Trigger the value and get 200 effort points!" Hey, why are you still taking pills? Doesn't it depend on hard work? "Ding! Get the achievement - work hard correctly, the effort value will be increased by 500!"

This is a mystery story about super detectives solving super crimes, which takes place in the fictional Fuso Kingdom.

Sixteen years ago, why did kendo suddenly disappear? Sixteen years later, why did the young man become the only one to wield a sword? Why are the immortals of earth and heaven unable to defeat time? The Avenue of Immortality was extinct thousands of years ago? Darkness and light, what is the truth of the world? A boy who traveled through time was forced to become a superpower!