Ogawa Mizuki (Léa)

Léa (Secret Number) Profile

Photo of Ogawa Mizuki aka Léa of Secret Number.

Who is Léa (Secret Number) ?

Léa (레아), born Ogawa Mizuki (小川美月) on August 12, 1995, in Tokyo, Japan, is a Japanese singer, model, and former lead vocalist of the South Korean girl group Secret Number. Known for her elegance, leadership, and stunning vocals, Léa has become a beloved figure in the K-pop world, especially as one of the rare Japanese idols active in Korean entertainment.

Léa (Secret Number) – Biodata

Biodata table of Léa (Ogawa Mizuki), former member of Secret Number. Includes personal details such as name, birth date, height, MBTI, education, and more.

Léa (Secret Number) – Complete Biography

Comprehensive biography of Léa (Ogawa Mizuki), former member of Secret Number. Discover her early life, K-pop career, and personal achievements.

Early Life

Léa, born Ogawa Mizuki (小川美月) on August 12, 1995, in Tokyo, Japan, displayed an early interest in the performing arts. Growing up in a culturally rich environment, she was drawn to music, dance, and fashion from a young age. Léa is known for her warm personality, discipline, and fluency in Japanese and Korean.

Debut with SKarf

Léa began her career in the South Korean music industry in 2013 when she joined the girl group SKarf under the stage name Hana. The group, managed by Alpha Entertainment, was unique for having both Korean and Singaporean members, and later, with Hana, a Japanese member. Though the group disbanded in 2014, this experience laid the groundwork for her future in K-pop.

Participation in MIXNINE

In 2017, Léa competed on JTBC and YG Entertainment’s survival show MIXNINE. Although she did not make it to the final lineup (ranking 109th), her appearance introduced her to a broader audience and reaffirmed her commitment to pursue a music career in Korea.

Re-Debut with Secret Number

In 2020, Léa re-debuted as a member of the girl group Secret Number under Vine Entertainment. The group made a strong impact with their debut single “Who Dis?”, gaining attention for their fresh sound and diverse lineup. Léa took on the role of lead vocalist and was the group’s original leader, admired for her maturity and responsibility.

With subsequent releases like “Got That Boom”, “Fire Saturday”, and “DOXA”, Secret Number continued to grow in popularity both in South Korea and internationally. Léa became known for her elegant visuals, stable vocals, and leadership qualities.

Departure from Secret Number

On April 2, 2025, Vine Entertainment officially announced the expiration of Léa’s contract and her departure from Secret Number. Fans expressed both sadness and gratitude for her contributions. Her exit marked the end of a significant era for the group and opened a new chapter in her career.

Life After Secret Number

Following her departure, Léa signed with a new agency and is reportedly preparing for solo projects, which may include singing, acting, or modeling. Her fans, known for their loyalty, continue to support her journey and await her next move with excitement.

Legacy

Léa is widely respected for her perseverance in the competitive K-pop industry, especially as a Japanese artist navigating a foreign market. Her journey from SKarf to Secret Number is a testament to her dedication, adaptability, and talent. She remains a role model for aspiring idols across Asia.

Léa (Secret Number) – Full Discography

Explore the full discography of Léa (Ogawa Mizuki), including her releases with SKarf and Secret Number. A complete list of singles, EPs, and special tracks.

With SKarf (2013–2014)

• “Luv Virus” – Mini Album (2013)
  • Luv Virus (Title Track)
  • Bye Bye Bye
  • Anymore
  • Sunny Day
• OST Appearances:
  • “My Love From the Star” – Cover on Music Programs

With Secret Number (2020–2025)

• “Who Dis?” – Digital Single (May 2020)
  • Who Dis?
  • Holiday
• “Got That Boom” – Digital Single (Nov 2020)
  • Got That Boom
  • Privacy
• “Fire Saturday” – Single Album (Oct 2021)
  • Fire Saturday
  • Dangerous In Love
• “DOOMCHITA” – Single Album (June 2022)
  • DOOMCHITA
  • HOLA
• “Tap” – Single Album (Nov 2022)
  • TAP
  • SLAM
• “DOXA” – Single Album (May 2023)
  • DOXA
  • Beautiful One
• Special Projects:
  • Cover of “Into the New World” (SNSD) – YouTube Project
  • Fan songs and behind-the-scenes performance clips (various)

Unreleased & Miscellaneous

• Practice videos, demo songs, and unreleased tracks performed at fan meetings or private showcases.

Interesting & Fun Facts About Léa (Secret Number)

Fun and interesting facts about Léa (Ogawa Mizuki), former member of Secret Number. Learn more about her personality, skills, and background.

• Léa‘s real name is Ogawa Mizuki, and she was born in Tokyo, Japan.
• She was formerly known as Hana when she was a member of SKarf in 2013.
• She is fluent in Japanese and Korean.
• Before debuting with Secret Number, she participated in the YG survival show MIXNINE.
• She re-debuted as a member of Secret Number in 2020 under Vine Entertainment.
• Léa served as the leader of Secret Number in their early activities.
• Her MBTI type is ENFJ, known for being charismatic, warm, and empathetic.
• She enjoys watching movies, dancing, cooking, and traveling.
• Despite being Japanese, she was fully active in the Korean entertainment scene for over a decade.
• Léa is known among fans for her elegance, grace, and strong stage presence.
• She has a pet cat and often shares glimpses of her pet on social media.
• Her favorite color is pink, and she loves fashion and styling.
• Léa is very close with her fellow Secret Number members, especially Dita and Jinny.
• She once dreamed of becoming an actress and may pursue acting projects in the future.
• Her contract with Vine Entertainment ended in April 2025, marking her departure from Secret Number.

Léa (Secret Number) – Social Media Accounts

Find all official social media accounts of Léa (Ogawa Mizuki), former member of Secret Number. Stay connected with her updates and content.

• Instagram: @lea_ofc_
• Japanese Instagram (Backup/Private Updates): @ogawamizuki_official
• TikTok: @lea_ofc
• Twitter (formerly X): @lea_secret (unofficial fan archive)
• YouTube Channel (Coming Soon)