KAMUI: He's Behind You Teaser Reveals KOTOKO Ending Song

KAMUI: He's Behind You Anime Reveals Ending Song Artist in New Teaser Video

TL;DR, A new teaser for the KAMUI: He’s Behind You anime reveals the ending theme, “SAY-BYE!!,” performed by KOTOKO. The video also reaffirms the main staff and Zero-G production, while a release date has not been announced.

The official website released a teaser confirming KOTOKO as the ending artist. The KAMUI He’s Behind You anime will close with the track SAY-BYE!! and the clip spotlights key production credits.

The video reaffirms the core staff and Zero-G involvement, but leaves the release date unannounced. That gives a clear read on music, team, and tone, while timing remains to be detailed.

What the new KAMUI: He’s Behind You teaser reveals

A short preview drops the headline right away, naming SAY-BYE!! by KOTOKO as the show’s ending theme. Arriving on the official site, the KAMUI teaser lands without a broadcast window, but the teaser video reveal locks in the series closer and reconfirms who is steering production.

The clip also reiterates the key credits. Director Takumi Tsukumo leads at Zero-G and ZG-R, Motofumi Nakaj4 is handling series scripts, and Toshinari Yamashita is on character designs. Production is credited to WWWave Corporation9s Deregula label, matching details previously listed by the project9s site.

SAY-BYE ending song: the ending theme is titled SAY-BYE!! and performed by KOTOKO, now officially attached to the project.
KOTOKO announcement: the artist credit appears in-video, confirming her role straight from the source material’s official channel.
Director:
Series composition: Motofumi Nakaj4 is listed in charge of the scripts, shaping story structure across episodes.
Character design: Toshinari Yamashita is credited with adapting designs for animation.
Studios: animation production is attributed to Zero-G and ZG-R, as shown in the credit slate.
Production label: WWWave Corporation9s Deregula label is producing, aligning with prior announcements.
Story cue: the series follows Shizuka, a girl who sees ghosts, assisting the famed psychic Kamui with an unusual exorcism method.
Japanese title: the property is also known as Ushiro no Shomen Kamui-san anime in Japan.
No date yet: the teaser lists staff and song, but does not include a premiere date or season.
Focus of the preview: credits and the music reveal take center stage, framing expectations without adding scheduling details.

Who KOTOKO is and what SAY-BYE!! means for KAMUI

KOTOKO is a veteran Japanese singer and songwriter with a long track record in anime music. Known for charged pop hooks and clean, high-range vocals, she blends electronic textures with melody-focused writing. That profile makes her a reliable closer for a weekly series that mixes the uncanny with humor.

As an ending, SAY-BYE!! will set the post-episode mood after ghostly cases and Kamui9s offbeat exorcisms. The title hints at release, parting, or moving on, which fits a case-of-the-week vibe.

For viewers and music collectors, the pairing offers familiar quality and a clear identity without revealing story beats.

Name recognition: KOTOKO brings a built-in audience from years of theme work, which can broaden discovery beyond core manga readers.
Tonal signal: the song can soften chills with brightness, or underline heart in reflective chapters, shaping the ending theme impact.
Melodic focus: her style leans chorus-forward, ideal for memorable end cards and credit rolls.
Rhythm and pacing: an energetic closer can reset the mood before previews, keeping momentum between episodes.
Lyric resonance: the SAY-BYE!! motif suggests closure after each case, a natural fit for supernatural problem-solving.
Catalog synergy: fans of anime music may follow the track to the show, helping early awareness before a date is set.
Production alignment: a defined musical identity complements direction and design choices, supporting scene transitions into credits.
Release details: formats and dates for the single or streaming have not yet been announced by the production.

Cast, staff and studio behind KAMUI: He’s Behind You

The series credits are locked in on the official site. Director Takumi Tsukumo leads at Zero-G and ZG-R, Motofumi Nakaj4 handles series scripts, and Toshinari Yamashita adapts the characters for animation. Production is handled by WWWave Corporation9s Deregula label, often shortened to WWWave Deregula in materials.

Voice cast details were not included in this update. The story follows Shizuka, a high school girl who sees ghosts, assisting the famed psychic Kamui and his unusual exorcism method. The property, also known as Ushiro no Shomen Kamui-san anime, adapts the manga by Eroki and Shinko Konoshiro, which reached KAMUI manga volume 12 on February 19.

Director:
Series composition: Motofumi Nakaj4, overseeing scripts and narrative structure.
Character design: Toshinari Yamashita, translating the manga9s look into animation-friendly models.
Studios: animation production by Zero-G and ZG-R as listed in the teaser and site credits.
Producer label: WWWave Corporation9s Deregula label manages production.
Source manga: created by author Eroki and artist Shinko Konoshiro, serialized on Shogakukan9s Manga ONE app since March 2020.
Latest release: Shogakukan published the 12th compiled volume on February 19.
Premise snapshot: Shizuka partners with the psychic Kamui, who uses an offbeat approach to banishing spirits.
Broadcast status: no release date or season has been announced at this time.
Corporate context: WWWave Corporation also operates the ComicFesta web manga service and the AnimeFesta programming block.
Project scope: the KAMUI He’s Behind You anime centers on supernatural cases with a character-driven twist guided by the confirmed staff.