Probably After Conquering Yakumo Purple

A slightly longer story about the agent and the monster sage—— Do you understand or not? What does it mean to have been with him for tens of thousands of years since his birth? That guy is all yours, right? 1. This writing style is not suitable for you, so just give it a try. The writing style is unfamiliar and fluttery. 2. A newbie's humble work. Mainly because the book is out of stock. I just read it for fun. 3. I'm not even a fake cook, and I'm too lazy to find any evidence. Please forgive me. 4. I'm so tired of typing╯-╰, update emm 5. The protagonist is neither male nor female. 6. Logical confusion 7. I really don't have confidence, I hope I won't be scolded too badly... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.