#isekai
Live, measured metrics for the hashtag #isekai from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #isekai
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.social (Mastodon public tags API) · fetched 2026-09-27 17:56 UTCNo measured public usage for #isekai in the last 7 days. That is a real result, and a good one to know: this hashtag is wide open right now. We show a dash before we ever show a made-up number. Browse the trending index for tags with live measurements.
Related hashtags
measured · mastodon.social (Mastodon public search API) · fetched 2026-09-27 17:56 UTCNo related tags with measured usage found for #isekai.
Live pulse
measured · Mastodon tag timeline · fetched 2026-09-27 17:56 UTCNo recent public posts found for #isekai on Mastodon. Nothing measured, so nothing shown.
What “isekai” means
WikipediaIsekai is a subgenre of Japanese fantasy and science fiction that revolves around a person or people who are transported to and have to survive in another world. In the new world, the person usually gains formidable powers or some other importance that they did not have in the previous world. The transition between worlds may occur through death and reincarnation, through summoning by an object, god or person in the alternate world. A common setting is a medieval-like world populated with human
“Isekai” on Wikipedia (CC BY-SA) →#isekai across platforms
every network with a public tag surfaceFollow #isekai straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/isekai