Dad, Have You Really Slayed a Dragon?

"Li Wentao, where have you been in the past twenty years?" "... Working abroad." The interrogator pushed up his glasses—— "Going abroad? Why are your entry and exit records blank?" The man scratched his head: "I said I was forced, do you believe it?" The old police officer suddenly asked: "Then why did you come back suddenly? Also, what's wrong with your clothes? How do you explain the blood stains on them?" The man hesitated for a moment and spoke frankly—— "I was fighting fiercely with the black dragon Gwalo... The moment I killed it, the crystal tower suddenly exploded, and a space storm came... And then I came back." Everyone fell silent immediately. The old police officer lit his cigarette and thought about whether to let his colleagues from the psychiatric department come over. —— Outside the interrogation room, policewoman Qingmei looked at the stunned young man: "Li Jiu, I'm afraid your dad is crazy because of his part-time job, right?"