Nan Gong Wu, aside from the fact that he is drowning in debts, is just your everyday middle schooler… that is until the day his parents decide to send him a mysterious ancient jade and a curious ’10/10 beauty’ (Bai Xiao Xian). It turns out that this cute young lady is actually a fox!? Gong Wu’s normal, everyday life is ruined as he’s forced to fight monsters by night whilst balancing school life and debt payments by day. Exactly what kind of contract have his parents made with Xiao Xian!? Follow Nan Gong Wu as he embarks upon this journey between the spiritual and human worlds!