Dressed as a Girl with Strange Powers, the System and I Solve Crimes Together

In short, an ordinary female college student. He was accidentally bound to the time travel system, and due to the temptation of the system's high bonuses, he began a brief journey of solving crimes. [Headless female corpse, abandoned baby in abandoned well, late night ghost...] System: "Fight, fight, fight, I'll kill, kill, kill!" In short: "I'll kick you to 1.8 Meters tall!" (The work is fictional and contains supernatural phenomena)