From the Start, I Meet a Ghost Girl and Bring Her Back to My Dorm for More Fun

Underage readers, go elsewhere! [Wish fulfillment + hot-blooded action + the uncanny + high martial arts and supernatural abilities + no female lead, because there are too many, and they're not all human]

The protagonist, Liu Zhu, transmigrates to a high martial arts world! With the [strange items] provided by his System, he persuades female ghosts to sign [lifetime employment contracts] and become his personal employees. As he grows stronger through sparring, he gets an investigator job thanks to his [Zero Martial Soul Disability Certificate] and starts handling all kinds of uncanny cases. Who knew his career would take off so quickly? From then on, he sets off on an outrageously satisfying path!