C94 Cryptology

I nodded at Li Shun. "I'm sorry, Boss Li. I didn't tell you about my past because …"

Before I could finish my words, Li Shun waved his hands at me, "Hey, brother, there's no need to explain. I'm not blaming you, I'm just curious, you have so much knowledge and skills, how did you end up like this, even willing to fight and kill with me … There must be some secret behind it