Poka Poka Ion (Nao Toyama & Kiyono Yasuno) to Perform ED Theme of Upcoming Anime I’m a Behemoth, an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl’s Pet

Pokapoka-Ion-Artist-photo-scaled Poka Poka Ion (Nao Toyama & Kiyono Yasuno) to Perform ED Theme of Upcoming Anime I’m a Behemoth, an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl’s Pet

What You Need to Know:

  • The second promotional video for the TV anime I’m a Behemoth, an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl’s Pet, set to air in January 2025, was released today. Alongside the video, it was announced that the anime’s ending theme will be performed by the popular voice actress unit, Poka Poka Ion.
  • Poka Poka Ion is a duo formed by Nao Toyama and Kiyono Yasuno, who are also members of the tactical sound unit Walküre from Macross Δ. They debuted in March 2022 with their first single. Now, three years later, they are set to release their highly anticipated second single, “Rimmy,” on March 5, 2025. This song will serve as the ending theme for the anime I’m a Behemoth, an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl’s Pet.
  • The new artist photo is themed around baths, a highlight of the soothing scenes in the anime. Featuring their signature pink and blue colors, the design perfectly embodies Poka Poka Ion’s warmth and charm.
  • “Rimmy” will be available in three versions: Poka Poka Edition, Ion Edition, and Anime Regular Edition. The Poka Poka Edition includes a Blu-ray disc featuring special content such as Poka Poka Ion’s After-Bath Talk!—a segment where the duo enjoys food and drinks post-bath—along with different versions of the “Rimmy” music video and a behind-the-scenes making-of feature.
  • The Ion Edition will feature a deluxe set that includes a 56-page photo book titled Poka Poka Ion’s Onsen Tour Journal, along with a karaoke CD for duets with Nao Toyama and Kiyono Yasuno.
  • The Anime Regular Edition features an exclusive, newly illustrated anime-style jacket designed specifically for this release.
  • Product Information

    Title: Rimmy
    Ending theme of I’m a Behemoth, an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl’s Pet
    Artist: Poka Poka Ion
    Release Date: March 5, 2025

    Poka Poka Edition (VTZL-249)
    CD + Blu-ray
    Price: ¥3,520 (incl. tax)
    Blu-ray content: Special bonus video Poka Poka Ion’s After-Bath Talk! / Rimmy Music Video (Full ver.) / Rimmy Music Video (near×near 1cho. ver.) / Rimmy Music Video Making-of

    Tracklist
    1. Rimmy (Lyrics/Composition/Arrangement: Yusuke Shirato)
    2. Symmetry wings (Lyrics: Kiyono Yasuno / Composition: Nao Toyama / Arrangement: Hinako Tsubakiyama)
    3. Kitto Cherry (Lyrics/Composition/Arrangement: Chinozo)
    Plus instrumental versions of tracks 1-3

    Ion Edition (VTZL-250)
    2 CDs + Photobook
    Price: ¥3,520 (incl. tax)
    Contents: CD + deluxe 56-page photo book Poka Poka Ion’s Onsen Tour Journal + duet karaoke CD (featuring 4 new tracks with “without Nao” and “without Kiyono” versions).

    Tracklist
    1. Rimmy (Lyrics/Composition/Arrangement: Yusuke Shirato)
    2. Symmetry wings (Lyrics: Kiyono Yasuno / Composition: Nao Toyama / Arrangement: Hinako Tsubakiyama)
    3. Fairytale wa Owaranai (Lyrics: Saori Kodama / Composition/Arrangement: Akki)
    Plus instrumental versions of tracks 1-3

    Anime Edition (VTCL-35380)
    CD only
    Price: ¥1,320 (incl. tax)
    Anime jacket illustration

    Tracklist
    1. Rimmy (Lyrics/Composition/Arrangement: Yusuke Shirato)
    2. Symmetry wings (Lyrics: Kiyono Yasuno / Composition: Nao Toyama / Arrangement: Hinako Tsubakiyama)
    3. Rimmy (TV size)
    Plus instrumental versions of tracks 1-2

    Distribution Information

    Available on streaming services and major download sites such as the iTunes Store, RecoChoku, and mora.
    Streaming services: Apple Music, LINE MUSIC, Amazon Music Unlimited, AWA, KKBOX, Rakuten Music, TOWER RECORDS MUSIC, Spotify, YouTube Music

    Poka Poka Ion Special Website: pokapokaion.com

    About Poka Poka Ion

    Nao Toyama and Kiyono Yasuno are both members of the tactical music unit Walküre from Macross Delta. After performing together on a TV show in 2017, they hit it off, and Poka Poka Ion was officially announced on November 22, 2021.

    In December 2021, they performed the insert song “Boku no Takaramono” for episode 11 of the TV anime Isekai Shokudo 2. On March 2, 2022, they released their first single “Yajirushi→” (the opening theme for the TV anime Slow Loop) under Flying Dog, marking their major debut.

    Poka Poka Ion, which was formed under the concept of “soothing people’s hearts and delivering vitality ‘vitamins’ for tomorrow,” seeks to deliver comfortable pop tunes that warm people’s hearts (“pokapoka” in Japanese) and shower them with negative ions!

    Nao Toyama's Profile (Poka Poka Ion color: Pink)

    Date of Birth: March 11
    Place of Birth: Tokyo
    Hobbies/Special Skills: Singing, dancing

    Major Roles:
    Reina Prowler in MacrossΔ
    Rin Shima in Yuru Camp△
    Yui Yuigahama in My Youth Romantic Comedy Is Wrong, As I Expected
    Karen Kujo in Kiniro Mosaic
    Kanon Nakagawa in The World God Only Knows

    Nao Toyama debuted as a singer in 2017 and held her first solo concert at the Nippon Budokan in February 2018. In 2019, she completed her first Asian tour. This year, celebrating her 15th anniversary as a voice actress and 7th anniversary as a singer, she hosted her first Billboard Live performances (in Osaka and Yokohama) and official fan club “Niji no Wakka” live cave bus tour. Her latest single “Hoshi no Dengon” is currently on sale.

    Official X: @naobou_official
    Artist homepage: toyamanao.com
    Official blog: ameblo.jp/naobouofficial
    Official YouTube channel: youtube.com/c/naobou_channel
    Instagram account: @naobou_official
    TikTok account: tiktok.com/@official_naotoyama
    Official fan club “Niji no Wakka”: fc.toyamanao.com

    Kiyono Yasuno's Profile (Poka Poka Ion color: Blue)

    Date of Birth: July 9
    Place of Birth: Miyagi Prefecture
    Hobbies/Special Skills: Enjoying saké, murder mysteries

    Major Roles:
    Kaname Buccaneer in MacrossΔ
    Megumi Kato in How to Raise a Boring Girlfriend
    Elena Amamiya in Star Twinkle PreCure
    Natsuki Kimura in The Idolmaster Cinderella Girls
    Ryoko Totonoi in Hana wa Saku, Shura no Gotoku

    In July 2017, Kiyono Yasuno made her solo artist debut with her first mini-album Namida, which included the ending theme “Chiisana Hitotsubu” from the TV anime Isekai Shokudo,. Since then, she has released four singles, one digital single, three mini-albums, one full album, and one live Blu-ray. Her latest song, “Re:fresh,” is now available for streaming.

    Official X account: @Yaskiyo_manager
    Official website: avex.jp/kiyono-yasuno
    Official YouTube channel: youtube.com/channel/UCEQScK4V7gy34xEFGjNH6Hw
    Official fan club “Yasuno Family”: yasunoke.fc.avex.jp

Source: Official Press Release