Qi Beisong's bodyguard A, experienced and familiar with Qi Beisong's temperament. He accompanied the front desk attendant to review surveillance footage but found that Cheng Ji knew how to avoid cameras, standing in blind spots. He reported that not one high-resolution infrared camera at Moonlight Villa captured Cheng Ji's face. He discussed combat training backgrounds with Qi Beisong, mentioning special forces, special police, underground organizations, and mixed martial arts fighters.
