A boy named Atsumu is branded as useless by his famous sisters and cast out from the celebrity family he spent his entire youth supporting behind the scenes. Unbeknownst to his family, he possesses extraordinary skills in makeup, filming, management, and every other form of backstage support. Now free from their control, he transfers to a new school determined to live the quiet, normal high school life he never had. However, his natural talents soon catch the attention of a succession of talented entertainers—a popular VTuber who sits next to him in class, a top idol, a rising model, and other young stars. One after another, they seek his help with their careers, and his abilities prove indispensable, making him the hidden force behind their success. As he rises through the ranks of the entertainment world while trying to maintain his ordinary school days, he finds himself surrounded by beautiful admirers who all recognize his true worth. The story follows his comedic and heartwarming struggle to reclaim a normal youth even as the spotlight keeps pulling him back into show business.