Haruna Kojima is a Japanese entrepreneur, actress, model, and former singer. From 2005 to 2017, she was a member of idol group AKB48 under Team A. In 2018, she founded her own brand, "Her lip to". Haruna Kojima is a Japanese entrepreneur, actress, model, and former singer. From 2005 to 2017, she was a member of idol group AKB48 under Team A. In 2018, she founded her own brand, "Her lip to".