is anime leviathan based on a manga

Ouyang Jianing, an independent and rebellious girl, beats the guy in a blind date. Because of that, she is required by her father to cultivate her temper in a housekeeping company. To survive competition, this housekeeping company that is on the verge of bankruptcy, creates the principle for order taking: “as long as it doesn’t go against law, I can do the work.” Ouyang Jianing grows up during the laughable and infuriating process as she works to complete her tasks...

The Moon Palace casts its shadow; the primordial Qi comes back. The unrotten immortal corpses, six monuments of immortal formula. Wang Sheng lives two lives. In his first life, he didn't seize the opportunity in the great change. Being Muddle-headed in his thirties, he had no friends or family. Unluckily, he became cannon fodder in the battle between the two immortal gangs. He died, worthlessly. But when he wakes up, he finds himself back on the eve of the cataclysm. However, he doesn't feel overjoyed. Nor does he celebrate his rebirth, because it was just a beginning for him...

Ren Fei travels to another world. By chance, he obtains the strongest Magic Instrument-- a brick, but he is also labeled as the evilest man in the world. While fleeing, he sticks to his cultivation, only to find that he is involved in a huge Conspiracy, which is related to his previous life. Meanwhile, the careerist Yuan Xu tries to kill him by hook or by crook...

With the sudden arrival of a bizarre black rain, more than two hundred servants in the home of Jau Qian, the world-renowned second-generation rich boy, instantly mutated into monsters. The whole planet was also plunged into an unprecedented crisis. Desperate and running out of food with no hope of getting rescued, Jau Qian accidentally activated a virtual mall that only he can see and interact with. In the post-apocalyptic world where the fittest survive, Jau Qian used his innate talent for business to its fullest potential to buy his way into forming a team. His ultimate goal is to rid the world of schemes and violence, so that peace can be restored.

In an event of transmigration, Su Ye became the evil female supporting character of a novel, who was infamous for her extreme tyranny and her countless hired male companions. To stay alive, she would have to keep a great distance from the cruel yandere lord. However, the yandere lord’s hand interlocked with hers as he coughed, “Do you like me, my savior?” Su Ye was starting to feel nervous under his intense stare so she hastily nodded. “I do. I like you very much.” What could the unlucky female supporting character do after meeting this troublesome lord? Let him have his way, of course!

This is a desert island where space-time is in disorder bringing ancient beasts, modern humans, and future technologies; Trapped on a desert island, Qin Tian starts with nothing but a survival system. I'm the master of the island!

"If nobody notices that you are a girl until we graduate, I will give you a billion won." "I'm in." The bet was on. Will Shiru be able to hide her identity until she graduates?!

A talented straight-A student travelled to another world and became a loser? By drawing cards, he began to conquer girls and turn the tables!

Chu Nan who is a top-class agent came to the city to cancel his engagement. Right as he hopped off the train he was dragged away and forced to pretend to be the boyfriend of a domineering CEO! I came to call of my engagement, why won't you let me go!"

An accident caused Tang Zheng fall from grace. He went from being the top student to the worst student and was bullied into entering the "haunted house". A chance encounter with Tian Chanzi changes his destiny. He bids farewell to his past and vows to live a different life when he finds out that his lifespan is limited after possessing the "Nine Yang Saint Body"... Thus begins his dramatic cultivation journey. This is based on a novel by Tang Xiao, The Strong, The Few, True Cultivators on Campus