Best Light Novels To Read If You Love That Time I Got Reincarnated as a Slime

Isekai light novels have seen a rise in popularity over the last decade or so, with That Time I Got Reincarnated as a Slime one of the standouts in the genre. It tells the story of 37-year-old Satoru Mikami after his death and eventual reincarnation into a new world as a lowly slime. Though his future seems bleak, he is granted a useful power that allows him to obtain the abilities of anything he absorbs, as well as its appearance.

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By  Emedo Destiny

He also befriends the legendary dragon Veldora who was sealed in the cave, and absorbs him as part of a deal, making him exponentially stronger as a result. The rest of the story follows the newly named Rimuru Tempest as he encounters different species, leads a village, and forms powerful alliances. Similar light novels could feature overpowered protagonists, competent leaders, varying species, and so on.

10 In Another World With My Smartphone

Anime-Planet Rating: 3.5 / 5

• Volumes: 30+
• No. Of Chapters: Ongoing
• Genre: Adventure, Comedy, Fantasy

In Another World With My Smartphone is an isekai that portrays modern conveniences within a fantasy world. After getting caught in a god’s blunder and dying by lighting, Mochizuki Touya is reincarnated into a different world with overpowered abilities and his smartphone as compensation. His smartphone is still as useful in this world as it was in his last, as he is able to utilize its apps, enhance its functionality, and cast powerful spells.

He is also soon surrounded by a harem of women and friends who he encounters along the way. It is a lighthearted light novel that sometimes doesn’t take itself seriously but still retains its appeal.

9 How a Realist Hero Rebuilt the Kingdom

Anime-Planet Rating: 3.9 / 5

• Volumes: 19+
• No. Of Chapters: Ongoing
• Genre: Action, Fantasy, Romance

That Time I Got Reincarnated as a Slime is famed for its unique and impressive world-building not always common in the genre. This is an area where How a Realist Hero Rebuilt the Kingdom also excels, as its main focus includes diplomacy, governance, and intricate power dynamics. The main protagonist Kazuya Souma was initially summoned to serve as a hero, but after displaying his amazing problem-solving skills, he is given the title of king instead.

This marks the start of Souma’s reign as he delves deep into the kingdom's underlying issues, ranging from things like economic stagnation to societal unrest. He also brings capable people together by his side to aid him in his ambitions.

8 Arifureta: From Commonplace to World's Strongest

Anime-Planet Rating: 3.8 / 5

• Volumes: 13
• No. Of Chapters: 92
• Genre: Action, Adventure, Fantasy

Just as Rimuru found himself in a mysterious cave at the start of his journey in a new world, Hajime Nagumo was left in a dangerous labyrinth to die. Reincarnated along with the rest of his class, Hajime was designated as a hero destined to fight alongside them.

Unfortunately, however, he soon discovered his powers paled greatly in comparison to his classmates. This led to him being ridiculed by most and abandoned in a labyrinth during one of their expeditions. With prospects of surviving at an all-time low, Hajime finds new ways to use his powers and slowly fights his way out of the labyrinth, growing stronger with each battle.

7 Mushoku Tensei: Jobless Reincarnation

Anime-Planet Rating: 4.2 / 5

• Volumes: 26
• No. Of Chapters: 330
• Genre: Adventure, Fantasy, Action

Jobless Reincarnation also tells the story of a man in his 30s sacrificing himself to save a life and being reincarnated right after. The main protagonist of the light novel Rudeus Greyrat, however, maintains his human form and is born into a new family as a baby. In his past life, he was shunned and abused, living as a NEET and having no friends. As a result, he is determined to make the most of his new chance at life and resolves to do things differently.

Now living in a world of fantasy and magic, Rudeus maximizes his potential from the start and becomes a powerful mage far surpassing his peers and superiors. He also forms meaningful relationships and goes on different adventures alongside comrades who become as close as family.

6 The Genius Prince's Guide to Raising a Nation Out of Debt

Anime-Planet Rating: 3.8 / 5

• Volumes: 12+
• No. Of Chapters: Ongoing
• Genre: Comedy, Fantasy

This is another light novel that focuses on leadership as a key theme. Rather than focusing on overall leadership, though, it deeply explores economic strategy and financial innovation. The prince and main character in this story, Wein Salema Arbalest, is a genius who truly wishes to sell out his country and be relieved of all responsibility.

To do this, he aims to maximize its value as much as possible, and in his efforts to do so, he gradually leads the kingdom towards more prosperity. This leads to Wein gaining more favor among the kingdom's people, as well as other unforeseen circumstances that make it harder for him to achieve his true goal.

5 Death March To The Parallel World Rhapsody

Anime-Planet Rating: 3.7 / 5

• Volumes: 30+
• No. Of Chapters: Ongoing
• Genre: Adventure, Fantasy

Suzuki Ichirou starts off as an overworked game programmer, given an overwhelming number of tasks to complete with very limited time. Sometime during this period he decides to get some rest, but wakes up in a landscape resembling one of the games he was working on. He also finds out he has powerful abilities from the get-go, unknowingly killing a god with a large spell and becoming even stronger as a result.

Suzuki then begins his adventures in this new world, aiming to discover its secrets and possibly return to his old one. He occasionally encounters different characters who end up traveling with him and grows stronger by defeating powerful opponents.

4 The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far

Anime-Planet Rating: 3.6 / 5

• Volumes: 11+
• No. Of Chapters: 62+
• Genre: Action, Adventure, Fantasy

Cain Von Silford is the reincarnated protagonist of this series and the third son of an aristocrat bestowed with astounding power. As a young boy, he was surrounded by different gods who each granted him blessings, making him significantly stronger than the average human. He then proceeds to live his life in a carefree manner, determined to fulfill all his dreams and aspirations.

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Unknown to him, though, the gods had an underlying reason for bestowing him such great power. They were also well informed on the circumstances of his reincarnation, as his main duty is to protect the world from an imminent great evil.

3 The Eminence in Shadow

Anime-Planet Rating: 4. 2 / 5

• Volumes: 6+
• No. Of Chapters: Ongoing
• Genre: Action, Comedy, Fantasy

The Eminence in Shadow also features an overpowered protagonist; however, Cid Kagenou would rather let his powers go unnoticed. He constantly fantasizes about acting as a puppet master from within the shadows, and upon arrival in a new world with potent abilities, he strives to achieve just that. He carried this mindset over from his past life, but with limited resources, could not fully realize his dreams.

In his new life, he learns much about the world and forms a group called Shadow Garden. This group consists mainly of girls he rescued who are extremely loyal to him. Hence, he is able to live out his fantasies, orchestrating intricate events without being noticed—even though he himself is unaware of some of them.

2 Overlord

Anime-Planet Rating: 4.2 / 5

• Volumes: 16+
• No. Of Chapters: Ongoing
• Genre: Action, Adventure, Fantasy

Overlord is one of the most popular titles within the isekai genre and offers a gripping narrative where the protagonist acts as a villain for most of the series. It is set far into the future in the year 2126, and is centered around the popular MMORPG Yggdrasil. The protagonist Momonga belongs to one of the strongest guilds in the game, however as the servers begin to shut down, most of his guildmates quit and he is the last one left.

This leads to him getting trapped in the game and living with NPCs created by him and his guildmates. In an attempt to find other players, he takes on the name of the guild Ainz Ooal Gown and sets out on a large conquest to spread his influence as far as possible.

1 So I'm a Spider, So What?

Anime-Planet Rating: 4.0 / 5

• Volumes: 16
• No. Of Chapters: 384
• Genre: Action, Comedy, Drama, Fantasy

In an isekai, where the protagonist is also reincarnated as an unconventional creature, So I'm a Spider, So What tells the story of a young high school girl reborn as a Small Lesser Taratect. It’s not all bad, though, as just like Rimuru, she is capable of evolution and has boundless potential. She also has to make her way through a labyrinth filled with powerful monsters and almost loses her life in the process, but these struggles shape her and help her grow.

She levels up exponentially as the world is point-based and soon becomes one of the most feared monsters in the labyrinth. The rest of the story follows her life after escape and explores themes of identity, perseverance, and survival.

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That Time I Got Reincarnated As A Slime: Every Main Character's Age, Height, And Species

The main cast of That Time I Got Reincarnated As A Slime is filled with interesting characters. Here are some basics you should know about each one.

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