Baka to Test to Shoukanjuu‎ - Volume 7, The Fifth Question

[By the Author that brought you “Return of the Frozen Player”!]The Return of the Fallen Tower Master: The Revival Era of the Magic Tower

“What? That chicken is actually a phoenix?”

“You're telling me that this dog is a qilin?”

“This little lizard is the legendary dragon?”

“What kind of weird pet shop is this? When did legendary beasts become so easy to find!”

An ordinary looking shop, but what hides inside are legendary cultivation pets. Step inside, but only if you dare.

Transform into Divine Dragon and dominate the world!
He is the only Divine Dragon in the sea who founded an underwater Dragon Palace.
With Crawfish Soldiers and Crab Generals as his followers, wild sharks and gigantic octopuses as his subordinates, he is the dragon that rules the city.

- Description from Novelupdates

In a future city intertwined with science, magic, and various races, a fearsome villain lives.“How dare you try to use such a young child. Do you have no conscience?”“It’s truly regrettable. To think that this girl could be the key to eradicating a den of evil.”“You can rest easy now. We will definitely protect you.”Sorry, but I’m actually that villain…It seems like a serious misunderstanding.