KiiiKiii is already catching attention as Starship Entertainment’s new girl group. The five members, Jiyu, Leesol, Sui, Haum, and Kya, unveiled with Uncut Gem on
March 24, 2025, giving fans a first look at their sound, style, and stage presence. Each member adds a different charm, from strong rap lines to bright vocals and sharp dance moments.
Still, fans want more than song details. They want ages, roles, backgrounds, and fun facts that make each member easier to remember.
Keep reading for a clear look at the KiiiKiii members and their profiles before you pick a bias today.
What KiiiKiii Means for Fans
KiiiKiii gets its name from the Korean sound of giggling, which fits the group’s bright image. Starship says the name points to holding on to joy even when things get hard.
The group is also Starship’s first girl group since IVE, so fans were watching closely from the start.
They share a company with IVE, WJSN, MONSTA X, and CRAVITY. Their creative director, Jeong Haewon, has worked on videos such as IVE’s “LOVE DIVE” and XG’s “Shooting Star.”
Their fandom name, TiiiKiii, means the members and fans move together like a close team.
Meet the Five KiiiKiii Members Up Close
This is a quick member-by-member look at KiiiKiii, covering age order, roles, backgrounds, standout traits, and small fan-favorite details, too.
Leesol

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Leesol is the oldest KiiiKiii member, born on September 18, 2005, in Seoul.
Her birth name is Lee Sumin, and she is known for a husky tone that stands out in rap parts. Before Starship, she trained at SM Entertainment and auditioned with BLACKPINK’s “STAY.”
Offstage, she enjoys drama, reading, Pilates, strawberries, noodles, and fish buns.
Fans also know her as a warm “mom-unnie” who often showed deep emotion during her trainee days too.
Sui

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Sui, born Lee Subin on April 10, 2006, is often known as KiiiKiii’s main vocalist. Her clear tone helped fans notice her early in her music career.
She also trained at SM Entertainment before joining Starship, passing an audition through the MuDoctor Academy.
Sui has said she was once timid but has become more confident over time. She loves fruit, yogurt, pink, YouTube, and mukbangs.
Her carrot keychain is funny because she does not actually like carrots at all.
Jiyu

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Jiyu, born Seo Jiyu on May 14, 2006, is KiiiKiii’s leader, even though she is not the oldest. She was street cast by Starship at 15 and once shared a trainee dorm with IVE’s Rei.
Jiyu grew up in Busan and can speak Korean, English, and Japanese. She is also athletic, with skills in Taekwondo, tumbling, yoga, and baduk.
Fans noticed her short hair in the music videos very quickly online.
Haum

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Haum, born Kwak Haeum on November 14, 2006, is often known as KiiiKiii’s visual.
She studied acting at Lila Art High School and trained her voice at Dream Vocal Academy before becoming an idol.
Her childhood interest in ballet still shows in her graceful movement. Haum is shy, laughs when embarrassed, and is known for expressive fancams.
She likes beef tartare, chocolate milk, YouTube, and eating. Fans often enjoy her soft humor and natural stage reactions.
Kya

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Kya, born Park Jiwoo on December 18, 2010, is KiiiKiii’s maknae and one of the youngest active K-pop idols.
Before Starship, she trained at Source Music and P NATION, worked as a child model, and appeared on BeautyDuty TV.
She studied Korean traditional dance and became a trainee in fifth grade. Kya is known for her loud voice, wide vocal range, and dance skills.
Offstage, she reads, saves memes, writes bedtime memos, and loves her Maltipoo, Lucky.
KiiiKiii Members at a Glance
This is a quick-reference table for every KiiiKiii member. For the full story on each one, keep scrolling.
| Member | Birth Name | Birthday | Age | Height | Position | Nationality |
|---|---|---|---|---|---|---|
| Leesol | Lee Sumin | Sep 18, 2005 | 20 | 166.5 cm (5’5”) | Main Rapper, Vocalist | Korean |
| Sui | Lee Subin | Apr 10, 2006 | 20 | 169-170 cm (5’7″) | Main Vocalist | Korean |
| Jiyu | Seo Jiyu | May 14, 2006 | 20 | 158-160 cm (5’3″) | Leader, Vocalist, Rapper, Dancer | Korean |
| Haum | Kwak Haeum | Nov 14, 2006 | 19 | 163 cm (5’4″) | Vocalist, Rapper, Dancer, Visual | Korean |
| Kya | Park Jiwoo | Dec 18, 2010 | 15 | 171 cm (5’7″) | Vocalist, Maknae | Korean |
What Each Member Brings to the Stage
Since the group confirmed they do not have fixed positions, this is a practical breakdown of what each person is known for:
- Leesol: Rap-focused. Her deep, husky tone stands out in the group’s sound. Known for carrying chorus parts.
- Sui: The strongest pure vocalist. Her tone is bright and controlled. Former SM trainee.
- Jiyu: The all-rounder and leader. She sings, raps, and dances. Trilingual (Korean, English, Japanese).
- Haum: Stage presence and visuals. Background in acting and ballet. Well-rounded performer.
- Kya: The youngest, but her vocal range is already getting attention. Background in Korean dance and child modeling.
KiiiKiii Timeline
KiiiKiii’s timeline shows how Starship introduced the group, released early music, confirmed stage names, and named the fandom after their kickstart.
| Date | Timeline Event |
|---|---|
| February 10, 2025 | Starship opened KiiiKiii’s official social media accounts. Early teasers introduced the members as Sumin, Subin, Haum, Kya, and Jiyu. |
| February 16, 2025 | KiiiKiii released the pre-debut single I Do Me. The music video quickly gained attention on Korean YouTube. |
| February 23, 2025 | The group released Debut Song, giving fans another early look at their sound and image. |
| March 24, 2025 | KiiiKiii officially premiered with the EP Uncut Gem and the music video for BTG. The stage names Leesol and Sui were also confirmed. |
| April 24, 2025 | Starship announced the official fandom name, TiiiKiii. |
Songs and Fan-Favorite Tracks
KiiiKiii opened with their digital single released on February 24, 2025, before their first EP arrived on March 24.
The EP included six tracks, with “Debut Song” becoming a fan favorite for its cheeky nod to the group’s arrival.
After their launch, KiiiKiii continued to develop their sound with “Dancing Alone” on August 6, 2025, and the Tablo-produced “To Me From Me” on November 4.
Their second EP, Delulu Pack, followed on January 26, 2026, giving fans more music to enjoy.
Awards and Nominations

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KiiiKiii’s first year brought strong rookie recognition, with early wins across music shows, fan awards, and major Korean ceremonies.
- Seoul Music Awards: KiiiKiii won Rookie of the Year at the 34th Seoul Music Awards for “I Do Me.”
- The Fact Music Awards: The group won the Next Leader Award in 2025, marking another rookie-year trophy.
- K-WORLD DREAM AWARDS: KiiiKiii received a rookie award in 2025, adding to their early award run.
- Golden Disc Awards: In 2026, KiiiKiii won the Next Generation award at the 40th Golden Disc Awards.
- Launch-year count: Reports said KiiiKiii collected 13 trophies within their first year, including seven rookie awards, Best Performance, and Music Video of the Year for “I Do Me.”
Fun Facts That Fans Love
These fan facts add personality to KiiiKiii’s profile and make each member easier to remember beyond age and role notes.
| Member / Topic | Fun Fact |
|---|---|
| Jiyu | Shared a trainee dorm with IVE’s Rei. |
| Leesol | Matching keyring with her mom. |
| Kya | Auditioned with “The Hungry Tiger.” |
| Haum | Laughs when she feels embarrassed. |
| Sui | Carries a carrot keychain but dislikes carrots. |
| Jiyu | Plays Go, also called baduk. |
| Kya | Became a trainee in fifth grade. |
| Leesol and Sui | Cried often during trainee days. |
| Group Name | KiiiKiii means a giggling sound in Korean. |
Wrapping Up
KiiiKiii brings together five South Korean artists with clear personalities, varied trainee stories, and a strong first stage as a team.
Leesol adds a bold rap tone, Sui brings warm vocals, Jiyu leads with calm focus, Haum stands out with expressive charm, and Kya draws attention as Starship’s youngest idol.
Their choice to move away from fixed positions makes the group feel more flexible and member-focused.
As their music grows, fans have more to learn and enjoy. Comment your favorite KiiiKiii member and tell us why.
Frequently Asked Questions
How Do You Pronounce the Group Name?
The name is usually said like “kee-kee,” matching the Korean giggle sound. The extra letters are part of the official styling.
Does the Group Have an Official Lightstick?
An official lightstick has not been highlighted in the profile details yet. Fans should check Starship’s channels for future merch updates.
Are Any of The Members British?
No, all five members are South Korean. The British confusion likely comes from English-speaking clips, global promotion, or mixed fan searches online.