CiON is a Japanese artist associated with anime music, best known for performing the ending theme for That Time I Got Reincarnated as a Slime Season 4. The artist’s connection to the Tensura franchise grew when CiON shared the music video for that ending song on May 15, 2026. For listeners searching for CiON or the Tensura ending theme, this release highlights the project’s place in the artist’s anime-focused catalog.
