Bai Lize (later changed to Naraku Fandom Haiwei.), A careless fast-traveling ghost, gets so angry every time he goes on a mission that he wants to scrap his own system, but the mission results are always SSS+.
After the previous mission was successfully completed, he was assigned to the mission of Black Butler.
Before this, he had completed his tasks well.
Until...
"Ding dong, the demon lord's blackened Lao Gong made a devil's contract with his host Bailice, and the contract was successfully signed.
"Cer~"
Bailice said expressionlessly: "System, I want to give up this mission."
The infatuated black demon butler (attack) × the passionate and heartless beauty (suffer)
Intention: Happy is the best.