Sara Shiina finds herself living as the daughter of Countess Lisha after being transported to another world. Lesha is persuaded by her stepmother, leading to a dismal living situation. The unique ability granted to Sara allows her to utilize apartments in alternate dimensions. While Sara initially observes how they manage life in this new world, she discovers that these apartments can provide all essential utilities such as gas, electricity, and water, and even serve as a source of food. Furthermore, when she steps outside... she is instantly connected to towns or dungeons! With such an incredibly convenient apartment at her disposal, there is no need for cramped living conditions anymore. Sara is resolute in her decision to forge a true home—beginning with her dual existence across different worlds!