Fantasy: Being Treated as a Drug Tester at the Beginning

This is an embarrassing time-travel. Why do people travel through time with all kinds of pretense and face-slapping artifacts flying all over the place, and beautiful masters constantly. I traveled through time and became a drug tester. This place is full of terrifying demon perverts, and they don't speak well. I don't want to stay here. The most important thing is that there are no games here, you can't follow TV series, and you simply can't be a qualified otaku! Since there are no high-rise buildings, no hot pot games, and no TV dramas to watch here, let me create it! Human: "What? This is the Demon Realm! Are you mistaken? Why is the Demon Realm more prosperous than our human world? Why do I feel that what we live in in the human world is the real Demon Realm?" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.