Moon Sua X Siyoon (문수아X시윤) is the first sub-unit of Billlie. They made their debut on April 7, 2025 with the digital single "Snap".
History[]
2025: Debut with "Snap"[]
On April 1, 2025, it was announced that Billlie members Moon Sua and Siyoon will debut as the unit Moon Sua X Siyoon, on April 7 with the digital single "Snap".[1] On April 4, it was revealed that the track would feature rapper sokodomo.[2]
Members[]
| Name | Position(s) | Color(s) | Years active |
|---|---|---|---|
| Moon Sua (문수아) | TBA | Purple | 2025–present |
| Siyoon (시윤) | Maknae | Yellow | 2025–present |
Discography[]
Digital singles[]
- "Snap" (2025)
Gallery[]
Promotional[]
Pictorial[]
.png "Moon Sua X Siyoon @Style May 2025 (1).png (3.84 MB)")
@Style
(May 2025 2025) (1)
(May 2025 2025) (1)
.png "Moon Sua X Siyoon @Style May 2025 (2).png (3.28 MB)")
@Style
(May 2025 2025) (2)
(May 2025 2025) (2)
.png "Moon Sua X Siyoon @Style May 2025 (3).png (2.86 MB)")
@Style
(May 2025 2025) (3)
(May 2025 2025) (3)
Miscellaneous[]
Official logo
(for "Snap")
(for "Snap")
References[]
Official links[]
- Billlie
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