Are There Any Mastering Books Adapted Into Anime Series?

Three years ago, he gave up on his massive fortune to lead a reclusive life in the countryside with his mentor. Three years later, he returns over a marriage agreement. To his surprise, the engagement is called off. "Who do you think you are? You're nothing but a quack doctor from the countryside! How can you possibly be worthy of me, the Dragonia's first goddess of war?"

A witch who has lived for thousands of years has grown bored with her own life and decided to leave it. Since she is an immortal, her soul cannot leave the world. However, what she can do is transfer her soul to another body. By a stroke of luck, she happens to enter the body of a princess. She was considered a miracle because when the Empress gave birth to her, the princess instantly died, along with the Empress. What the witch didn't know was that she has entered such a predicament. She has to endure the love of the cruel Emperor and possessiveness of the crazy twin princes! What will her life be at the hands of such a loving family? In addition, it seems that this body contains mana that was lost in the royal family centuries ago!

When the apocalypse came, she lost everything. Starving, hunted, and desperate, she trusted the one man she loved… only for him to betray her in the cruelest way possible. He stole her last supplies to please another woman and left her to die in a sea of the undead. But death wasn’t the end. She woke up days before the world collapsed. After cutting ties with her ungrateful ex and his parasitic family, a mysterious voice awakens in her mind, LUS, a Level-Up System designed to help her survive the coming end. With knowledge of the future and a system guiding her every move, she begins to prepare. She stockpiles resources, builds a base, and learns how to fight back against the horrors that once destroyed her. And when the apocalypse arrives again… she’s ready. But survival isn’t the only thing waiting for her in this new life. A silent killer who watches her like prey. A manipulative genius who wants to unravel her secrets. A gentle protector who sees the girl she hides. And a dangerous man who thrives in chaos. As the world burns and power shifts, they’re all drawn to her, each with their own motives, each with their own darkness. Even her past refuses to stay buried. Because now, the man who once abandoned her is back, broken, desperate, and begging for a second chance. Too bad she has no time for regrets. Not when she’s busy rising to power… and building a kingdom in the ruins of the world.

Set after the war between the Dragon Emperor and the Blood Emperor, in which the two emperors united to protect all realms and the underworld. In a small world where no immortal beings dwell, a married couple lives with their only son. That life of happiness came to an end with the destruction of their village and the deaths of its inhabitants. The child, having lost his parents, tries to find traces of them, who disappeared when the village was destroyed. The further he walks down the path of cultivation, the more he realizes that he has actually been trapped in a difficult fate. Will he be able to walk that path? Or will he end up losing his own life? This is the story of a young man named Tian Sen, who walks a bloody path to discover who he is and where his parents are. But he must become stronger to reach a point where even fate itself cannot control him. “Why? Why don’t they care about people like us? Why? I, Tian Sen, will not accept any of this. I will walk toward the summit even if my hands are drenched in blood. Loneliness will not let me be swayed by the nonsense called fate!”

After 15 years being tortured by the Assassin's Guild, Aria and Sebastion find themselves with another group of people who are determined to bring down the tyrannical rule of the Assassin Guild. With each and every passing day more secrets are unlocked and the people they work for are not who they say they are. So what is Master's Secret?

Evy was a simple-minded girl. If there's work she's there. Evy is a known workaholic. She works day and night, dedicating each of her waking hours to her jobs and making sure that she reaches the deadline. On the day of her birthday, her body gave up and she died alone from exhaustion. Upon receiving the chance of a new life, she was reincarnated as the daughter of the Duke of Polvaros and acquired the prose of living a comfortable life ahead of her. Only she doesn't want that. She wants to work. Even if it's being a maid, a hired killer, or an adventurer. She will do it. The only thing wrong with Evy is that she has no concept of reincarnation or being isekaid. In her head, she was kidnapped to a faraway land… stranded in a place far away from Japan. So she has to learn things as she goes with as little knowledge as anyone else. Having no sense of ever knowing that she was living in fantasy nor knowing the destruction that lies ahead in the future. Evy will do her best to live the life she wanted and surprise a couple of people on the way. Unbeknownst to her, all her actions will make a ripple. Whether they be for the better or worse.... Evy has no clue.