GuessAnime.

10. Honzuki no Gekokujou: Shisho ni Naru Tame ni wa Shudan wo Erandeiraremasen

A certain college girl who's loved books ever since she was a little girl dies in an accident and is reborn in another world she knows nothing about. She is now Myne, the sickly five-year-old daughter of a poor soldier. To make things worse, the world she's been reborn in has a very low literacy rate and books mostly don't exist. She'd have to pay an enormous amounts of money to buy one. Myne resolves herself: If there aren't any books, she'll just have to make them! Her goal is to become a librarian. This story begins with her quest to make books so she can live surrounded by them! Dive into this biblio-fantasy written for book lovers and bookworms!

Ascendance of a Bookworm is finished and has 14 Episodes. It is also Known as: 本好きの下剋上 ～司書になるためには手段を選んでいられません～, Honzuki no Gekokujou: Shisho ni Naru Tame ni wa Shudan wo Erandeiraremasen

9. Tensei shitara Slime Datta Ken

Corporate worker Mikami Satoru is stabbed by a random killer, and is reborn to an alternate world. But he turns out to be reborn a slime! Thrown into this new world with the name Rimuru, he begins his quest to create a world that’s welcoming to all races.

That Time I Got Reincarnated as a Slime is finished and has 24 Episodes. It is also Known as: 転生したらスライムだった件, Tensei shitara Slime Datta Ken

8. Tate no Yuusha no Nariagari

Iwatani Naofumi, a run-of-the-mill otaku, finds a book in the library that summons him to another world. He is tasked with joining the sword, spear, and bow as one of the Four Cardinal Heroes and fighting the Waves of Catastrophe as the Shield Hero.

Excited by the prospect of a grand adventure, Naofumi sets off with his party. However, merely a few days later, he is betrayed and loses all his money, dignity, and respect. Unable to trust anyone anymore, he employs a slave named Raphtalia and takes on the Waves and the world. But will he really find a way to overturn this desperate situation?

The Rising of the Shield Hero is finished and has 25 Episodes. It is also Known as: 盾の勇者の成り上がり, Tate no Yuusha no Nariagari

7. Tensai Ouji no Akaji Kokka Saisei Jutsu: Souda, Baikoku shiyou

It ain't easy being a genius...

Prince Wein is ready to commit treason. And who can blame him? Faced with the impossible task of ruling his pathetic little kingdom, this poor guy just can't catch a break! But with his brilliant idea of auctioning off his country, this lazy prince should be able to retire once and for all. Or that was the plan...until his treasonous schemes lead to disastrous consequences-namely, accidental victories and the favor of his people!

The Genius Prince's Guide to Raising a Nation Out of Debt is finished and has 12 Episodes. It is also Known as: 天才王子の赤字国家再生術, The Genius Prince's Guide to Raising a Nation Out of Debt (Hey, How About Treason?)

6. Choujin Koukousei-tachi wa Isekai demo Yoyuu de Ikinuku you desu!

Seven Japanese high school prodigies have taken the world by storm, exercising their mind-blowing abilities in everything from politics to entertainment. But when their plane crashes one day, these geniuses awaken to find themselves in a different realm-one that's home to magic and beast folk! While such strange new surroundings might throw an average person for a loop, these prodigies take their situation in stride...and then some! With the greatest minds and talents known to Earth, this dream team is about to turn the other world on its head!

High School Prodigies Have It Easy Even in Another World! is finished and has 12 Episodes. It is also Known as: 超人高校生たちは異世界でも余裕で生き抜くようです!, Choujin Koukousei-tachi wa Isekai demo Yoyuu de Ikinuku you desu!

5. Log Horizon

In the blink of an eye, thirty thousand bewildered Japanese gamers are whisked from their everyday lives into the world of the popular MMORPG, Elder Tale, after the game's latest update—unable to log out. Among them is the socially awkward college student Shiroe, whose confusion and shock lasts only a moment as, a veteran of the game, he immediately sets out to explore the limits of his new reality.

Shiroe must learn to live in this new world, leading others and negotiating with the NPC "natives" in order to bring stability to the virtual city of Akihabara. He is joined by his unfortunate friend Naotsugu, having logged in for the first time in years only to find himself trapped, and Akatsuki, a petite but fierce assassin who labels Shiroe as her master. A tale of fantasy, adventure, and politics, Log Horizon explores the elements of gaming through the eyes of a master strategist who attempts to make the best of a puzzling situation.

Log Horizon is finished and has 25 Episodes. It is also Known as: ログ・ホライズン, Log Horizon

4. Nejimaki Seirei Senki: Tenkyou no Alderamin

The huge Katvana Empire is at war with the neighboring Kioka republic. In a corner of the empire, a young man is about be caught up in the flames of war. His name is Ikta Solork. He's lazy, a philanderer, and he hates war. He's about as far from a soldier as you can get. On his way towards the next stage of officer's qualification exams, he and his childhood friend Yatorishino Igsem encounter the nurse trainee Harouma Beckle, Mashuu Tetrijirch, a member of the old military faction, and Torwey Lemion....

Alderamin on the Sky is finished and has 13 Episodes. It is also Known as: ねじ巻き精霊戦記 天鏡のアルデラミン, Nejimaki Seirei Senki: Tenkyou no Alderamin

3. Amagi Brilliant Park

A mysterious but pretty transfer student, Sento Isuzu, asks Kanie Seiya out on a date to an amusement park. That park was Amagi Brilliant Park, featuring worn-down attractions and lackluster service -- the worst in Japan.

Amagi Brilliant Park is finished and has 13 Episodes. It is also Known as: 甘城ブリリアントパーク, Amaburi

2. Tensei Kizoku, Kantei Skill de Nariagaru

After thirty-five years of perfectly ordinary life, a run-of-the-mill businessman suddenly drops dead...only to be reborn in another world! Now he must live as Ars Louvent, scion of a minor noble family and wielder of a fabulous skill: Appraisal, the power to perceive the strengths and abilities of others at a glance. He'll need it, too, because there are plenty of problems to solve in the Louvent family's territory! Ars only has one choice: recruit the most talented individuals his skill can find, and rise up to new heights in his brand new world!

As a Reincarnated Aristocrat, I’ll Use My Appraisal Skill to Rise in the World is finished and has 12 Episodes. It is also Known as: 転生貴族、鑑定スキルで成り上がる, Tensei Kizoku, Kantei Skill de Nariagaru

1. Overlord

The final hour of the popular virtual reality game Yggdrasil has come. However, Momonga, a powerful wizard and master of the dark guild Ainz Ooal Gown, decides to spend his last few moments in the game as the servers begin to shut down. To his surprise, despite the clock having struck midnight, Momonga is still fully conscious as his character and, moreover, the non-player characters appear to have developed personalities of their own!

Confronted with this abnormal situation, Momonga commands his loyal servants to help him investigate and take control of this new world, with the hopes of figuring out what has caused this development and if there may be others in the same predicament.

Overlord is finished and has 13 Episodes. It is also Known as: オーバーロード, Overlord