On September 12, former AKB48's Kojima Haruna updated her Twitter account announcing the launch of her lingerie brand 'ROSIER by Her lip to.' 

Kojima shared a promo video featuring herself wearing the lingerie and wrote, "I created lingerie, which was one of my dreams, crammed with the ideal image of beauty and longing. That is ROSIER."

Kojima is also in charge of the lifestyle brand 'Her lip to.' She commented, "This is the materialization of ideas that formed while communicating with Herlipto customers. So that everyone can love themselves, I proposed sophisticated lingerie that brings out one's beauty and charm."