Urban I Am the Sister's System

My name is Su Han, and I have a strong and domineering sister who is in the late second grade of middle school! When I was born, my sister awakened the legendary soul of controlling her younger brother. Therefore, my childhood was gloomy, and the pain of being dominated by my sister lasted until I was eighteen years old. That year, my sister was twenty-two years old, graduated from college, and had just entered society; That year, my sister awakened the system, and I had the highest authority of the system. It can also be said that I... Am the system! "Sister Sangyou, are you ready to accept the pain of being dominated?" Seeing his sister who was dancing with joy because she had awakened the system and had a high level of secondary attributes, Su Han chuckled in his heart and thought darkly. ... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.