One protagonist is the brother of another protagonist (not a relative of course)
Brother: a medical student who "knows a little" about boxing
Younger brother: an "ordinary" student who likes to make small inventions
Who knows how I got into some kind of system test? I got a little bit of dual strength.
Zheng Kuoyun: "Brother, you mean that before I lost my memory, I almost broke the system?"
Cao Yan: "Yeah"
Zheng Kuoyun: "What a self-destruction..."
Intention: This is the intention ()