The official YouTube channel for the four-member Japanese rock band yutori has released the music video for their latest song, "Koe" (Voice). This track is featured as the ending theme for the fall 2026 TV anime, The Vermilion Mask. The song was made available digitally on October 10.

yutori, comprising Kotoko Sato (vocals, guitar), Ikuya Uchida (guitar, backing vocals), Taichi Toyoda (bass), and Ren Urayama (drums, backing vocals), formed on December 7, 2020. The band made their major label debut under Sony Music Label's Ki/oon Music with "Speed," which was the ending theme for My Hero Academia: Vigilantes.

About "Koe" and The Vermilion Mask

The band shared insights into "Koe" on the anime's official website, stating that they specifically wrote the song for The Vermilion Mask. They expressed that the act of carrying one's past while striving to move forward resonates with everyday life, and they incorporated the unspoken feelings of the character Peru into the song in their unique style. They hope fans will enjoy "Koe" alongside the anime.

The Vermilion Mask is a battle fantasy series animated by 100studio. It premiered in Japan on October 10, 2026, and its second cour is scheduled for April 2027. Crunchyroll is streaming The Vermilion Mask in various regions, including North America, Central America, South America, Europe, Africa, Oceania, the Middle East, CIS, and the Indian Subcontinent. The anime follows apprentice mask maker Peru, who, after a tragic incident involving a mask, vows to destroy all masks created by his master, Gaston Roux, as he travels the world.

Anime Production Team

Tetsuaki Watanabe directs the anime at 100studio. Daisuke Ohigashi is responsible for the series composition, while Hisashi Tojima handles the character designs. The music for the series is composed by Alisa Okehazama.

Key points

  • Japanese rock band yutori released the music video for their song "Koe."
  • "Koe" is the ending theme for the fall 2026 TV anime The Vermilion Mask.
  • The song "Koe" was digitally released on October 10.
  • The Vermilion Mask premiered on October 10, 2026, with a second cour set for April 2027.
  • Crunchyroll streams The Vermilion Mask in multiple regions.

Source: Crunchyroll News · Oct 19, 2026