Isekai Reigns on Japanese TV: Slime and Bookworm Crack Top 10

Isekai isn't just a streaming phenomenon; it's still commanding major viewership on traditional Japanese television. That Time I Got Reincarnated as a Slime, a perennial favorite, landed at number 5 in Japan's latest animation TV rankings for June 8-14. This consistent performance underscores its broad mainstream appeal, blending action, world-building, and Rimuru Tempest's charm into a package that resonates widely.
Meanwhile, Ascendance of a Bookworm Part 3 secured the number 7 spot, a notable achievement for its more niche, character-driven narrative. Bookworm stands out for its unique premise of creating books in a fantasy world, often appealing to a different segment of the Isekai audience. Its strong showing proves that compelling storytelling, even without explosive battles, can capture significant public attention and maintain a loyal fanbase on broadcast TV.
“Ascendance of a Bookworm's success proves that compelling storytelling, even without explosive battles, can capture public attention.”
Catzye Take
This ranking confirms that established Isekai hits aren't just for streaming — they still draw big numbers on traditional TV. It's also great to see the diverse appeal within the genre, with both action-packed fantasy and unique slice-of-life finding broad success.
Newsletter
Stay in the loop
Weekly digest of the top manga & anime stories. No spam, unsubscribe any time.
Want to learn more?
Read our complete Anime guide →





