This role-play is performed by adults. The world of brainwashing that SODstar Mahiro Yui takes on, with a research staff involved in the planning and drafting! Mahiro was being stalked by the manager of a business partner. When her older sister, who has a strong sense of justice, consults her about such troubles, she decides to be careful... However, her sister's family is turned into slaves...and she is plunged into a world without any sense of reason or reason. The sexual desire processing doll Mahiro Yui is completed.