Travel Through Modern Japan as a Ninja

As a young man in the new era of the 21st century, Zhong Lizhi had to believe that he had traveled through time and entered the body of a Japanese high school student. After being temporarily confused, he suddenly remembered that the system novels he had read before all started with time travel, so... "Brother System?"... "Dad System?"..." The system's biological son? "... When Zhonglizhi was helplessly preparing to commit suicide after repeating this for the thirty-fifth time, a mechanical voice suddenly sounded in his mind: "... Fire... Shadow System... System... Activated... In..." After hearing this sound without any fluctuation, Zhonglizhi's eyes lit up. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.