Those Years When I Helped Tiandao Fix Bugs

After the programmer Gu De died suddenly while working overtime, he traveled back in time and became the leader of the Demon Cult on the verge of bankruptcy. Faced with only three and a half spiritual stones left in the account and the mountain guarding formation that was shut down due to arrears, his first reaction was not fear, but professional instinct - "Let's first see how bad the code left by his predecessor is."