Azumi (Ito Ohno), a manga artist, is staying at the guest house 'Sun Plaza Asanuma'. However, the lively voices of her dormitory mother Mariko (Momoko Kikuchi) and her daughter Misaki (Yuno Ohara) heard from her shared space make it difficult to concentrate on her work. When she looked up her reputation at Sun Plaza Asanuma online, she found a mysterious comment, 'The door opens,' while it was notorious. And when she got stuck at her job, the 'door' she suddenly appeared in front of Azumi was connected to the Hello! Project dressing room ...