Voice actor Nonoka Obuchi released her second CD single “Saijokyu no Kokoro” (“Supreme Heart”) in Japan today on February 26, as well as posted the song’s music video on her official YouTube channel. The song is now featured as the opening theme for the winter 2025 TV anime Beheneko: The Elf-Girl’s Cat is Secretly an S-Ranked Monster!, where Obuchi is also cast as the character Lily.This music video was directed by ZUMI, known for his music video work for popular female idol groups such as AKB48, HKT48, and =LOVE.
Nonoka Obuchi “Saijokyu no Kokoro” Music Video
Beheneko: The Elf-Girl’s Cat is Secretly an S-Ranked Monster! Creditless Opening Video
Obuchi made her solo singer debut with “Akaku Somete Shinzou” (“Dye My Heart Red”), the ending theme for the spring 2024 TV anime Mysterious Disappearances, in May 2024. As Obuchi’s second single song, “Saijokyu no Kokoro” was written and composed by Enon Kawatani (Gesu no Kiwami Otome). “I wrote this song with the ‘Supreme Heart.’ led by Obuchi-san’s singing voice, I was absorbed in writing,” he said in a statement regarding the song. “As a lover of reincarnation stories, this offer was like a reward for me. I have a lot to look forward to next year.”
First press limited edition CD jacket
Regular edition CD jacket
Based on the light novels by Nozomi Ginyoku and Mitsuki Yano, Tetsuo Hirakawa (Grimoire of Zero) directs Beheneko: The Elf-Girl’s Cat is Secretly an S-Ranked Monster! at studios Zero-G and Saber Works, with series composition by Kanichi Kato (The Eminence in Shadow), character designs by Tomoyuki Abe and music by Yusuke Shirato (In the Heart of Kunoichi Tsubaki) and oni.Yen Press publishes an official English version of the manga under the title I’m a Behemoth, an S-Ranked Monster, but Mistaken for a Cat, I Live as an Elf Girl’s Pet and describes the story:
A proud knight, slain in battle, finds himself alive once more-reincarnated in the body of a fearsome behemoth. As if he wasn’t confused enough by this turn of events, apparently behemoth cubs look exactly like adorable kittens?! Even if the rest of the world sees him as soft and cuddly, he has the honor of a noble warrior and the strength of an unstoppable S-ranked monster, both of which will be put to the test as he fights to protect the beautiful elf who has taken him as her pet!
Source: Nonoka Obuchi official YouTube channel© 2025 FlyingDog, Inc.
