After the breakup, I made my girlfriend regret it

In his previous life, Su Qin drank green tea and a bowl of medicine and was defrauded by a pig-killing scam. He was attacked by ancient bacteria and ended up being reborn with a miserable end. He was bound to the regret system. Others regretted, but he collected the money. This time, he would not let others bully him! He wanted to cheer up, make everyone regret it, and make a fortune! ...