INTRODUCTION
Haruna Kojima (小嶋陽菜, こじま はるな, born April 19, 1988) is a celebrated Japanese singer, model, actress, entrepreneur, and former member of the hugely influential J‑Pop idol group AKB48. With a blend of idol charisma, fashion icon status, and entrepreneurial vision, she became one of the most recognizable faces in Japanese pop culture during the 2000s and 2010s. Known affectionately as Kojiharu, Harunyan, and Nyannyan, her appeal spans music, television, runway appearances, and business. After graduating from AKB48 in 2017, she successfully transitioned into fashion brand leadership, acting, and online media, maintaining a loyal global fanbase.
PROFILE / BASIC INFORMATION
Full Name : Haruna Kojima (小嶋陽菜)
Native Name : 小嶋陽菜 (こじま はるな)
Also Known As : Kojiharu (こじはる), Harunyan (はるにゃん), Nyannyan (にゃんにゃん)
Nationality : Japanese
Profession : Singer, Model, Actress, Entrepreneur
Industry Category : Music, Entertainment, Fashion, Business
Years Active : 1998–2001, 2005–Present
Date of Birth : April 19, 1988
Age : 37 (as of 2026)
Birthplace : Urawa‑ku, Saitama City, Saitama Prefecture, Japan
Current Residence : Tokyo, Japan
Height : 164 cm
Measurements : B80 cm, W60 cm, H86 cm (estimated, fashion profile)
Zodiac Sign : Aries
Blood Type : O
Agency / Management : Mama & Son
LATEST NEWS
Haruna Kojima continues to expand her fashion and lifestyle brand Her lip to under Heart Relation Inc., where she serves as Chief Creative Officer and helps design apparel, beauty, and lifestyle collections with a global aesthetic. Her recent photobook release かもしれない debuted in October 2024. She remains active in fashion, media, and digital content creation, engaging fans with new brand collaborations and personal insights. Incidents relating to public appearances have also appeared in media reports involving fan interactions at events.
CAREER
Haruna Kojima’s entertainment career began early, performing with the idol group Angel Eyes as a child before joining the first audition for AKB48 in 2005. Selected from thousands of applicants, she was placed in Team A and quickly became one of the group’s most prominent members. Her presence in AKB48 spanned over a decade, where she appeared in nearly every A‑side single and was a main figure in the sub‑unit no3b alongside Minami Takahashi and Minami Minegishi.
Through the late 2000s and 2010s, Kojima became a fashion icon, securing exclusive modeling contracts with major magazines like MAQUIA and sweet. She also appeared in television dramas, films, variety shows, and multimedia projects, cementing her versatility in entertainment. In 2017 she graduated from AKB48, celebrating her career with dedicated concerts and special performances.
Post‑graduation, she founded the Her lip to brand in 2018 and expanded her business portfolio to include Her lip to Beauty, House of Herme, and Rosier by HLT, blending high‑end fashion with accessible lifestyle products. She is often featured in international fashion events and media, showcasing her evolution from idol to global creative leader.
Career Highlights : AKB48 team member (2005–2017), no3b subgroup member, first solo center on AKB48’s “Heart Electric,” creator of Her lip to, model for MAQUIA and sweet, entrepreneur and fashion brand founder
Awards & Recognition : Best Supporting Actress, 15th Nikkan Sports Drama Grand Prix (2011)
EARLY LIFE / BACKGROUND
Haruna Kojima was born in Urawa‑ku, Saitama, the eldest child in her family. From a young age she was drawn to performance and fashion, pursuing dance and entertainment activities through childhood. Early exposure to stage performance with Angel Eyes laid the foundation for her later success with AKB48.
Her formative years in entertainment shaped her understanding of performance dynamics and public interaction, skills she carried into her idol career and post‑AKB48 ventures.
FILMOGRAPHY / WORKS / PUBLICATIONS
Television Dramas : Yamada Tarō Monogatari (2007), Gokusen (2011), Megu‑tan tte Mahō Tsukaeru no? (2012) and others.
Television Variety : AKBINGO!, PON!, UmaZuki! among numerous appearances.
Movies : Densen Uta (The Suicide Song) (2007), Meitantei Bakabon (2015) cameo, and other roles.
Photobooks : Multiple editions including こじはる, 女の子の神様, 小嶋陽菜 1stフォトブック こじはる, どうする?, かもしれない (2024).
BRAND COLLABORATIONS / ENDORSEMENTS
Kojima is notable for partnerships with fashion and beauty companies. She has modeled for and appeared in campaigns for Peach John lingerie, Tsunami Bridal promotions, and other major brands throughout her career. She also has business collaborations through Her lip to and its extensions.
MAGAZINE FEATURES / RUNWAY APPEARANCES
Featured regularly in fashion media such as MAQUIA (exclusive model) and sweet, Kojima has also appeared at events like Kobe Collection and GirlsAward, blending idol legacy with high‑fashion appeal.
TV / MEDIA APPEARANCES
Haruna’s presence on television spans variety shows, talk programs, dramas, and special events. Her role in AKBINGO! and guest segments have made her a familiar face in Japanese households beyond music performances.
PUBLIC IMAGE / CULTURAL INFLUENCE
Kojima is widely regarded as a style icon and influential figure in Japanese pop culture. Her evolution from idol to entrepreneur underscores an empowering narrative of creative reinvention. Fans admire her blend of elegance, confidence, and authenticity—qualities that have helped her maintain relevance in fashion and entertainment.
PERSONAL LIFE / HOBBIES / INTERESTS
Languages : Japanese, conversational English
Hobbies : Fashion styling, shopping, travel, beauty experimentation
Special Interests : Influences from pop and fashion culture, idol history and media trends
TRIVIA / FUN FACTS / BEHIND‑THE‑SCENES
• She dropped out of high school at age 16 due to entertainment‑industry restrictions.
• Known as one of the most iconic first‑generation AKB48 members with high fan recognition.
• Fans often noted her creative spontaneity and wit in live media segments.
SNS / SOCIAL MEDIA / ONLINE PRESENCE
Official Website : Private
Instagram : https://www.instagram.com/nyanchan22
X (Twitter) : https://www.x.com/kojiharunyan
YouTube : HARUNA KOJIMA’s Cat Nap (beauty, fashion, vlog)
TikTok : https://www.tiktok.com/@harunakojima22