New Report Crown's Isekai King: Re:Zero

The Rise of Isekai in the Anime Industry

Isekai has quickly become one of the most popular genres in the anime world. This genre, which typically involves characters being transported to a different world or dimension, has captivated audiences with its imaginative storytelling and unique settings. Japanese entertainment company Kadokawa recently released a financial report that highlights the massive success of this genre, particularly within their portfolio of titles.

One particular isekai manga has emerged as the standout performer, surpassing all other series in the category. Surprisingly, it's not the series that many expected to be at the top of the list. While Sword Art Online was considered a strong contender for the number one spot due to its significant influence on the fantasy subgenre, another title has taken the lead.

RE:Zero Takes the Crown

The title that has dominated the market is RE:Zero - Starting Life In Another World. According to the report, RE:Zero has been the ultimate success for Kadokawa, significantly boosting the company's overall sales more than any other current isekai series. While Sword Art Online still holds the position of the second best-selling manga in the "Publication/IP Creation" section, it falls behind Pan Dorobou.

When considering animation, film, and other media formats, RE:Zero is clearly at the top of Kadokawa's "Net Sales of the Top Ten Best-Selling Titles." Once animation is factored into the rankings, Sword Art Online drops far behind and is not even in the top ten isekai anime titles.

Financial Success and Market Trends

RE:Zero has proven to be a major revenue generator, earning over 500 million JPY on its own. Other notable isekai series in the top ten include The Gorilla God's Go-To Girl at number two and Delicious in Dungeon at number nine. These figures highlight the growing popularity of the genre and the potential for continued success.

Despite some challenges faced by Kadokawa, including struggles in recent years, the success of titles like RE:Zero could be crucial for improving sales and attracting new audiences. The isekai genre has seen a significant increase in both manga readership and anime viewership, making it an essential part of the industry.

The Iskai Boom in 2024

According to a report from Anime News Network, the isekai boom in 2024 led to 15% of new anime series falling into this category. While established genres like shonen, represented by titles such as My Hero Academia and Demon Slayer, remain strong, isekai has emerged as the standout genre of 2024 and much of 2025 so far. Kadokawa’s financial report further supports this trend.

Kadokawa's Strategy for the Future

Kadokawa has vowed to focus on quality over quantity to enhance the popularity of isekai. The release of RE:Zero's third season in October 2024 contributed to a surge in interest in the series, which is reflected in the company's sales report. Not every title released by Kadokawa has been a hit, but the company's Chief Anime Officer, Takeshi Kikuchi, has ambitious plans to improve these numbers by prioritizing quality content.

To maintain the dominance of genres like isekai, the key is not to flood the market with new series, but to invest in those that have already gained fan appreciation and stand out in the sea of endless new isekai anime. RE:Zero exemplifies this approach, offering high-quality animation, engaging characters, and a compelling plot that keeps fans coming back.

The Challenge of Other Genres

Other genres, such as reijo, which translates to "noble daughter," are beginning to challenge the dominance of isekai. Kikuchi's strategy of focusing on creating more of the isekai series that fans already love, rather than overwhelming the charts with new anime, may be the key to sustaining the genre's popularity. Kadokawa's report demonstrates that RE:Zero is an ideal series to kickstart the improvement of isekai in the current market.