MOON SUA

Billlie · Main Rapper · Lead Vocalist

Instagram · @a_us_noom

Profile

MOON SUA is a South Korean rapper and singer in Billlie. Her work spans the group’s rap and vocal performances and the MOON SUA X SIYOON unit.

She performs with MOON SUA, SUHYEON, HARAM, TSUKI, SHEON, SIYOON and HARUNA as a member of Mystic Story’s seven-member team.

GroupBilllie

BirthdaySeptember 9, 1999

NationalitySouth Korean

Height164 cm

PositionMain Rapper · Lead Vocalist

AgencyMystic Story

SubunitMOON SUA X SIYOON

Career Milestones & Individual Activities

May 6, 2026

First full-length album

Participated in Billlie’s the collective soul and unconscious: chapter two, led by ZAP and WORK.

April 7, 2025

MOON SUA X SIYOON · SNAP

Debuted in Billlie’s first subunit with SNAP (feat. sokodomo); both members co-wrote lyrics. This is a duo release.

May 17, 2023

Japanese group debut

Billlie released the Japanese version of GingaMingaYo.

November 10, 2021

Billlie debut

Debuted with Billlie’s first mini album and RING X RING.

2015

Unpretty Rapstar 2

Appeared on the rap competition before debuting with Billlie.

Official SNS

InstagramMOON SUA

News & Further Reading

KpopWise · February 19, 2026MOON SUA · 2026 interview ↗

Explains the next chapter of Billlie’s musical story.

EARMILK · December 27, 2025MOON SUA · Artist interview ↗

Discusses books and films as inspiration for lyrics.

allkpop · November 28, 2025MOON SUA · Interview ↗

Discusses radio hosting and creative collaboration.

HelloKpop · June 2, 2025MOON SUA X SIYOON interview ↗

The pair discuss SNAP and their songwriting.

Victor Entertainment · OfficialOfficial member profiles ↗

Birth dates and performance roles.

MOON SUA — Billlie Member Profile