This Taoist Master is too Frivolous - Chapter 18 - : You don’t want your students to be unable to study below, do you?

Xiao Yu, who was a student from modern Earth, accidentally transports to another world and becomes the lord of a territory. Facing an unfavorable situation, he vows to take back his family business, build his new territory, kill all of those who covet his wealth, and dominate the world!

- Description from Novelupdates

In the second year of the apocalypse, Du Yue died alone, killed by apathy and exposure to extreme weather. Somehow, she opened her eyes to find herself not only alive, but also back when it was three months before the apocalypse. Despite the surprise, she thought about the upcoming disasters and upheavals. First, it was the fog that carried a virus that stayed for a month.

Then, global temperatures rose to over 120 degrees, evaporating most of the world’s water and melting all the icebergs. After that were level-10 earthquakes, cyclones, tsunamis, permanent eclipse, and avid rain… and that was not all, because after global warming, came global freezing. As temperatures dropped to below negative fifty, the savagery humans displayed was far worse than any imagined horrors like zombies! Knowing what was coming, Du Yue sold off her family property and used the pocket dimension her mother left her to hoard as many resources as possible, so that she could survive the apocalypse. Meat? Grain? Oil? Spices? Weather gear?

She bought everything! Steaks, French fries, spaghetti, and canned food must all be stocked up! To He Xing, the male lead, she was a god and the key to surviving the apocalypse! Having thought of the apocalypse, Du Yue sold off her family property and used the pocket dimension her mother left her to hoard as many resources as possible, so that she could survive the apocalypse. Meat? Grain? Oil? Spices? Weather gear? She bought everything! Steaks, french fries, spaghetti and canned food must all be stocked up! To He Xing, the male lead, she is a god and the key to surviving the apocalypse!

Masterpieces such as 'The Divine Comedy', 'The Theory of Evolution', 'Encyclopaedia Britannica', 'The Theory of Relativity'...Born in the history of human civilization, possess mysterious and magical powers in another world!Original sin, biological evolution, mastery of all arts...By reading the secret tomes, one can gain a variety of powers!The only trouble for the people of the other world is that they find it difficult to understand the texts from Earth.At this time, there comes a librarian from Earth...

Saying 5000 year-old-dragon has an impressive ring to it, yet that dragon was an extremely harmless, herbivorous being. However, because of his uselessly giant figure and scary appearance, he was mistaken for the Demon King’s executive and provided by the nearby village with a sacrificial maiden.

Fundamentally cowardly and timid dragon tried to send her away, but the extremely enthusiastic sacrifice didn’t want to give up. Inevitably, he lied: “Okay, I just ate a small portion of your soul, so you can go back already”, but the maiden with outrageous assumptions has misunderstood that she became the dragon’s kin.

Then, out of all things, she began to manifest strange power on the basis of her wrong assumptions – in turn, the helpless dragon, by some mistake started a rebellion against the Demon King.

Rebellion or whatnot, he wasn’t even his subordinate in the first place.