C172 One step
Who could it be?
Boss Yang's tone of certainty should be from someone he and I know together, or perhaps he can be certain that I have come into contact with before.
"Forget it," I chose to give up after taking back the phone, "I admit that I was planning to trick you, but Boss Yang being unable to save you is an indisputable fact. Besides, there's no need for you to lie to me here