Overview
CIEL is a virtual singer under KAMITSUBAKI STUDIO, discovered through the studio’s internal audition program “Kamitsubaki-shi Ijuu Teijuu-ka.” Recognizable by her blue hair symbolizing the sky, her artistic identity centers on the narrative of a girl who always looked down finally taking her first step forward.
Beyond solo activities, CIEL formed the cross-dimensional virtual music unit KUUSOU with real-world artist Sooda in early 2026, themed around “purity and softness.” She also performed the theme song for the theatrical anime Eiga Daisuki Ponpo-san, making her one of the more prominent next-generation virtual singers in the Kamitsubaki ecosystem.
Role and Creative Position
CIEL’s character concept revolves around transformation — a girl who spent her life looking down, now lifting her eyes to the sky. The blue hair serves as both a visual signature and a metaphor for this psychological shift from isolation to openness. Her vocal style tends toward clarity and gentleness, occupying a different register from the more dramatic expressions of the V.W.P members.
Within KUUSOU, CIEL’s voice forms a distinctive complementary relationship with Sooda’s. The unit deliberately blurs the boundaries between virtual and real, visual and auditory — embodying Kamitsubaki’s ongoing exploration of “cross-dimensional” expression.
Project Position and the Dual-Wielder Form
CIEL is a hybrid singer under PHENOMENON RECORD who began activity on 4 June 2021.
| Item | Detail |
|---|---|
| Form of existence | A “real-voice” singer crossing both physical and virtual forms |
| Affiliation | PHENOMENON RECORD |
| Debut | 4 June 2021 |
| Vocal character | A female voice with transparent clarity and the weight of an unprocessed live tone |
| Performance form | Virtual avatar and physical stage in parallel (dual-wielder) |
Where the “dual-wielder” label fits: CIEL belongs to KAMITSUBAKI’s dual-wielder lineage alongside KAF / KAIKA and VALIS, but her route differs from both. KAF’s parallel name carries a strong contrast between “virtual mythos and real singer-songwriter”, and VALIS emphasises a double stage form of avatar and origin. CIEL, by contrast, has treated seamless switching between an everyday real presence and a 3D avatar as her normal mode since debut — closer to two tracks running in parallel from the very beginning.
Name and texture: CIEL means “sky” in French, and her songs return often to natural imagery of sky, streets and seasons (“Sora yori”, “Fukuiku no Machi”, “Mado wo Akete”), echoing the clarity of her live vocal.
Activity History
- Discovered through KAMITSUBAKI STUDIO’s audition program “Kamitsubaki-shi Ijuu Teijuu-ka.”
- Performed the theme song for the theatrical anime Eiga Daisuki Ponpo-san and held her first VR Chat solo live (drawing approx. 400 attendees).
- February 2023: Participated in “KAMITSUBAKI FES’23”.
- May 2024: Held her 1st VIRTUAL LIVE “Kuusou Geki —Kamitsubaki-shi Goban-gai—”.
- July 2025: Participated in “KAMITSUBAKI FES ‘25 / Singularity Live Vol.4”.
- December 2025: Returned from hiatus to hold the solo virtual mini-live “Saisei”.
- January 2026: Co-founded the cross-dimensional virtual unit “KUUSOU” with Sooda, releasing the debut song “Toumei Ryusei Rhapsody.”
Representative Works and Related Entries
Expand full albums and EPs
Albums & EPs
| Release date | Type | Title |
|---|---|---|
| 2023-02-15 | Live Album | STRAWBERRY LIVE |
| 2023-10-04 | Live Album | STRAWBERRY LIVE 2 |
| 2023-12-13 | EP | 空想少女 |
| 2024-07-24 | Album | 空想劇 |
| 2026-03-04 | EP | 再晴 |
Expand full singles list
Singles
| Release date | Title |
|---|---|
| 2022-03-29 | 馥郁の街 |
| 2023-04-11 | 生活に落ちる |
| 2023-12-05 | うわのそら |
| 2024-07-23 | 少年漫画 |
| 2024-07-23 | 空より |
| 2024-07-23 | 眼裏の懐疑 |
| 2024-07-23 | 窓を開けて |
| 2025-09-23 | 常しなえ |
| 2026-05-12 | 君と旅風 |
Releases and Song Archive
Studio albums and EPs
| Release | Type | Title |
|---|---|---|
| 2023-12-13 | EP | Kuusō Shōjo |
| 2024-07-24 | Album | Kuusōgeki |
| 2026-03-04 | EP | Saihare |
Live albums
| Release | Title |
|---|---|
| 2023-02-15 | STRAWBERRY LIVE |
| 2023-10-04 | STRAWBERRY LIVE 2 |
Principal singles
| Release | Title |
|---|---|
| 2021-10-20 | Mijikayo no Hoshi |
| 2022-03-29 | Fukuiku no Machi |
| 2023-04-11 | Seikatsu ni Chiru |
| 2023-12-05 | Uwanosora |
| 2024-07-23 | Shōnen Manga / Gauri no Kaigi / Mado wo Akete / Sora yori |
| 2025-09-23 | Tsune Shinanae |
| 2026-05-12 | Kimi to Tabikaze |
Musical character: CIEL’s work is built on clear live vocals with acoustic instrumentation, taking everyday life, the turning of the seasons and slight shifts of feeling as its themes. The “STRAWBERRY LIVE” live albums record her physical-stage singing and are key documents for understanding her “real” side.
Related Projects / Setting
CIEL is directly tied to the KUUSOU unit within the Kamitsubaki ecosystem, and her partnership with Sooda represents a key example of virtual-real crossover activity. Her origin story — discovered through the “Kamitsubaki-shi Ijuu Teijuu-ka” audition — is itself part of the Kamitsubaki City worldbuilding, reflecting the studio’s unique approach to blending talent development with narrative construction.
References
- KAMITSUBAKI STUDIO official artist page: https://kamitsubaki.jp/artist/ciel/
