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

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 Tōyama 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 Tōyama and Kiyono Yasuno.

The Anime Regular Edition features an exclusive, newly illustrated anime-style jacket designed specifically for this release.

Poka Poka Ion Special Website
https://www.pokapokaion.com/

I'm a Behemoth, an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl's Pet 2nd PV
https://youtu.be/Gup8LIj-geY

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: Yūsuke Shirato)
2. Symmetry wings (Lyrics: Kiyono Yasuno / Composition: Nao Tōyama / 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: Yūsuke Shirato)
2. Symmetry wings (Lyrics: Kiyono Yasuno / Composition: Nao Tōyama / 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: Yūsuke Shirato)
2. Symmetry wings (Lyrics: Kiyono Yasuno / Composition: Nao Tōyama / 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

Profiles
Poka Poka Ion
Nao Tōyama 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 Shokudō 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 Tōyama (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 Kin-iro Mosaic
Kanon Nakagawa in The World God Only Knows

Nao Tōyama 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 (formerly Twitter): @naobou_official
・Artist homepage: http://toyamanao.com/
・Official blog: https://ameblo.jp/naobouofficial
・Official YouTube channel: https://www.youtube.com/c/naobou_channel
・Instagram account: @naobou_official
・TikTok account: https://www.tiktok.com/@official_naotoyama?_t=8gmDdIinnTG&_r=1
・Official fan club “Niji no Wakka”: https://fc.toyamanao.com/

Kiyono Yasuno (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 Shokudō,. 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: http://avex.jp/kiyono-yasuno/
・Official YouTube channel: https://www.youtube.com/channel/UCEQScK4V7gy34xEFGjNH6Hw
・Official fan club “Yasuno Family”: https://yasunoke.fc.avex.jp/