Leesol

Leesol was born Lee Sumin (이수민) on September 18, 2005, in Mok-dong, Yangcheon-gu, Seoul. As the oldest member of KiiiKiii, she naturally takes on a caring role within the group. Source: KProfiles

Before joining Starship Entertainment in 2022, Leesol trained under SM Entertainment. Experiencing two of Korea's biggest entertainment companies gave her valuable training before her official debut. Source: KProfiles

Leesol serves as KiiiKiii's Main Rapper and Vocalist, earning praise for her distinctive performance style and stable live vocals. Her ability to switch between rapping and singing makes her one of the group's most versatile members. Source: KProfiles

One of Leesol's signature traits is her husky rap tone. Fans immediately recognized her deeper voice as one of KiiiKiii's most unique musical colors, helping her stand out from the group's debut. Source: KProfiles

During promotions for "I Do Me," Leesol was the only member to sing a main part in every chorus. The consistent presence of her voice throughout the song highlighted the trust producers placed in her vocal abilities. Source: KProfiles

Leesol was selected as a special MC for Show! Music Core on March 29, 2025, introducing performances and interacting with artists shortly after KiiiKiii's debut. It marked an important milestone early in her career. Source: Kpop Fandom Wiki

Owing to her positive reception, she returned as a special MC once again on April 12, 2025. Being invited back so quickly reflected her growing confidence and popularity as a television personality. Source: Kpop Fandom Wiki

Within KiiiKiii, Leesol is affectionately known as the group's "mom-unnie." Fellow members often rely on her for comfort, encouragement, and practical help whenever they need someone to lean on. Source: KProfiles

Despite her calm image, Leesol has shared that she cries easily. During their trainee years, she and fellow member Sui often cried together while working through the challenges of preparing for debut. Source: KProfiles

Her audition song for Starship Entertainment was BLACKPINK's "STAY." Choosing an emotional ballad allowed her to showcase both her vocal ability and expressive performance style during auditions. Source: KProfiles

As a child, Leesol dreamed of becoming a doctor—not just any doctor, but one who could heal people's memories. The imaginative dream reflects the compassionate personality fans continue to see today. Source: kpopping

Leesol enjoys cooking for the people she loves, and one of her favorite comfort foods is her grandmother's braised beef short ribs. Food and family remain important parts of her life even after becoming an idol. Source: kpopping

She carries a matching keyring with her mother, a small but meaningful keepsake that symbolizes their close relationship. Fans often appreciate these personal details because they reveal how family-oriented she is. Source: KProfiles

In a 2026 Teen Vogue interview, Leesol shared her thoughts on authenticity, explaining that being true to yourself doesn't have to feel heavy or serious. She believes it's okay to make mistakes and simply continue growing while remaining genuine. Source: Teen Vogue

Leesol and fellow member Sui are the only two KiiiKiii members without a brother, making their family backgrounds slightly different from the rest of the group. Source: NamuWiki

Fans often admire how Leesol balances emotional sensitivity with dependable leadership as the group's eldest member. Even though she admits to crying easily, she's usually the first person the younger members turn to for comfort and advice. Source: KProfiles, fan interviews

Her journey—from training at SM Entertainment to debuting under Starship Entertainment—demonstrates her perseverance and willingness to continue chasing her dream despite the uncertainty that comes with idol training. Source: KProfiles

Although still early in her career, Leesol has already established herself as one of KiiiKiii's emotional anchors. Her caring personality, unforgettable husky rap voice, and honest outlook on life have made her one of the group's most beloved members. Source: KProfiles, Teen Vogue, kpopping