Conan's Hell Begins and Ends Perfectly

[No heroine, time travel novel] [Written in both red and black, I don't have many pumpkins but I often meet by chance] —— Yu Heibai looked at himself who had regained a new life, feeling embarrassed. He doesn't want this at all! I'm fed up with carrying this identity so hard! —— I never thought it would be a few years later. Yu Heihei, who became a black organization, sighed: "No, I didn't expect that I, a thorn in the organization's side, would come here!"