異世界(いせかい)

いせかい
noun
another world; parallel world; fantasy world
1. another world; parallel world; fantasy world
A world different from the real one, especially a fantasy or parallel universe. Widely used as a genre term in Japanese fiction (anime, manga, light novels) where a character is transported to or reborn in a different world.
異世界(いせかい)に転生(てんせい)する話(はなし)だ。
It's a story about being reborn in another world.
最近(さいきん)は異世界(いせかい)アニメが多(おお)い。
There are a lot of isekai anime lately.
主人公(しゅじんこう)はトラックにはねられて異世界(いせかい)に飛(と)ばされた。
The protagonist was hit by a truck and transported to another world.

異世界(いせかい) has become one of the dominant genre labels in Japanese pop culture since the 2010s. The term is now widely recognized even outside Japan.

COMMON COLLOCATIONS:

  • 異世界(いせかい)転生(てんせい) — reincarnation in another world
  • 異世界(いせかい)転移(てんい) — transfer to another world
  • 異世界(いせかい)もの — isekai genre (stories)
  • 異世界(いせかい)に召喚(しょうかん)される — to be summoned to another world

RELATED WORDS:

  • 転生(てんせい) — reincarnation
  • 魔法(まほう) — magic
  • 勇者(ゆうしゃ) — hero, brave warrior
general
Added 2026.3.22 11:26
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