In the City, Special Cancer Drugs Are Sold at the Beginning

"Does anyone need a specific drug that can cure cancer?" "No need for chemotherapy, no surgery, treatment is guaranteed, and effectiveness is guaranteed." "You don't have cancer?" "It's okay. I can also treat other terminal illnesses." "If you need treatment for AIDS, syphilis, Parkinson's disease, please remember to contact me." … My name is Zhang Feng, and I am a time traveler. After traveling to this parallel world, I got a sign-in system. If I complete a sign-in every day, I can get rewards. Rewards are random, it all depends on luck. Zhang Feng was very lucky. He obtained the right to purchase special cancer drugs at the beginning. He earned his first pot of gold by selling special cancer drugs. With the completion of the sign-in, Zhang Feng also obtained various special medicines for terminal diseases one by one. The global pharmaceutical landscape was broken by Zhang Feng. Someone wants to cause trouble for Zhang Feng? Hey-hey. Sign in to the system and teach him how to behave. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.