Mu Zijin, the genius thief of the 21st century, comes and goes without a trace, but recently he has been on bad luck. He just wanted to get a glass of water but inexplicably traveled through time? I still traveled through time to Miss Mu San, who was arrogant, domineering and useless and only suffered losses. Now that you've come, make peace with it. You shouldn't be too high-profile in your past life. In this life, let's see how this young lady dominates the world! Those who have poured cold water on me, I, Mu Zijin, will boil the cold water and return it to you. "Madam, the golden bowl given to us by our father has been stolen." "What? You dare to steal my small treasury even if you stole it from me? Tell me your name. If I don't steal you to the point of ruining everything, my lady's surname is not Mu!" "It turns out that I am not as good as a mere golden bowl..."