Top 10 Isekai Anime in Japan Ranked by Fans (2025 Update)

Top 10 Isekai Anime Series Ranked by Fans (2025 Edition)

Isekai anime—where characters are transported to another world—continues to dominate the anime scene. Based on a poll by Everyone’s Ranking, here are the top 10 best isekai anime voted by fans. If you're looking for your next otherworldly adventure, these series are must-watches.

1. That Time I Got Reincarnated as a Slime

Satoru Mikami’s ordinary life ends suddenly, but he’s reborn in a fantasy world—as a slime. With his new abilities and a heart full of compassion, he reshapes the world around him. This anime blends action, politics, and humor in an epic way that fans can’t get enough of.

2. Mushoku Tensei: Jobless Reincarnation

After a tragic life, a man is reborn in a magical world with a second chance to live meaningfully. "Mushoku Tensei" is praised for its deep character development, emotional storytelling, and breathtaking animation.

3. Overlord

When the servers shut down on his favorite MMO, the main character finds himself trapped in the game as his powerful character, Ainz Ooal Gown. Overlord is a dark, intriguing take on isekai, filled with strategy, betrayal, and domination.

4. KonoSuba: God's Blessing on This Wonderful World!

Kazuma’s death was pathetic, but his afterlife is hilarious. With a useless goddess, a masochist knight, and an explosion-obsessed mage, chaos follows wherever they go. This series is beloved for turning classic isekai tropes into pure comedy gold.

5. Sword Art Online

The pioneer of modern isekai. Kirito and thousands of players are stuck in a virtual reality MMORPG where dying in the game means dying in real life. With high stakes, romance, and nonstop action, SAO remains a fan-favorite.

6. I Was Reincarnated as the Villainess in an Otome Game but the Boys Love Me Anyway!

Catarina Claes is reborn in her favorite otome game—but as the villainess! Determined to avoid her tragic fate, she unintentionally charms everyone around her. This lighthearted series delivers laughs, romance, and clever twists.

7. The Rising of the Shield Hero

Naofumi is summoned to a fantasy world as the Shield Hero, only to be betrayed and falsely accused. With only his shield and determination, he fights to clear his name and grow stronger. It’s a story of resilience and redemption that deeply connects with viewers.

8. Re:Zero − Starting Life in Another World

Subaru’s journey is anything but easy. Every time he dies, he returns to the same point, forced to try again. Re:Zero mixes psychological horror, romance, and intense storytelling, making it a gripping ride from start to finish.

9. No Game No Life

Siblings Sora and Shiro are unbeatable in any game. One day, they’re challenged by a mysterious being and transported to a world where everything is decided by games. Colorful visuals, smart strategies, and unbeatable confidence make this a cult hit.

10. Saga of Tanya the Evil

An atheist salaryman is reincarnated as a young girl in a war-torn world, under the watch of a god he defied. Tanya’s ruthless tactics and chilling ambition create a fascinating contrast to her childlike appearance. It’s dark, philosophical, and utterly unique.

Final Thoughts

These top 10 isekai anime aren’t just fan favorites—they’re global sensations. From heartwarming stories to intense thrillers, isekai continues to evolve and amaze anime lovers worldwide.

source:Warded ワード - NEWS: Japan Ranks Top Isekai Anime of All Time | Facebook