Staying in the Demon Gate? Brother, Let's Have a Seat Directly

Qi Yang, a time traveler, was brutally stabbed in the back, and was kicked into the Demon Sect as a leader and became a "blood product". I thought I was in trouble, but I woke up with "magic cancer cells". This time it became lively, the Demon Sect came out with a big demon who was full of demonic tension, and he killed people indiscriminately if they disagreed with each other. I've put my cards on the table, I can't do anything about it, just do whatever you want. Who, who asked him to cultivate demons? ! Kneel down, Demon King, please have mercy! This book is also called: "Crazy in the Demon Gate, I Kill Me Coolly" "Who asked him to cultivate demons" "The Demon King Please Spare Your Life"