After Transforming into a Girl, I Became the Queen of Shadows!

[Urban High Martial Arts × Daily Relaxation × Sexual Transformation × Decisive Killing] Chen Yu suddenly got a system a few days ago. He was very excited at first, but the system made him drink a glass of strange stuff and said it was a novice gift package with unexpected surprises. He trusted the system unconditionally, but the result was that he turned into a girl...