The 2006 single "Hikari" showcases Horie's established J-pop sound with elements of jazz and adult contemporary. This release features the popular anime theme song "Hikari."
- "Hikari" was released as a single on May 24, 2006, by Universal Music LLC.
- The single's A-side, "Hikari," was used as the ending theme for the anime television series *Ninin Ga Shinobuden*.
- The release reached number 11 on the Oricon Weekly Singles Chart.
Yui Horie is a prolific voice actor and pop singer from Tokyo, Japan. She is best known for her work in anime and her extensive discography of J-pop singles and albums.
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