Lynne Hale is eighteen years old. After her mother passed away early, her father was lost at sea, and she was locked in a Psychiatric Hospital by her Stepmother for five years. After escaping as an adult, she has disabled legs, and only inherits a deep-sea isolated island of less than 100 square meters from her father's estate. The Ethereal Island Homestay Operating System binds to the Host, guiding her to use wilderness survival wisdom to complete basic construction including seawater desalination, solar power, kitchen, and shelter. The System randomly recruits the first guests: a stranded couple Dazhuang and Yingzi from the Great Wilds mythical realm, and Mochi the Rat Spirit. Lynne treats them with instant noodles and fresh water, and Yingzi entrusts Mochi to her. The shelter is upgraded to an ancient-style cabin, and Lynne officially starts operating the Ethereal Island homestay. Lynne unlocks a fresh fruit tea shop, attracting an ocean research vessel to dock, earning her first batch of Prosperity Points. She upgrades the desalination well, farmland, and sea-view guest rooms. The System issues a Main Quest: raise the Construction Level to 18,000 within one month. Lynne turns to recruit guests from the Apocalypse Realm, rescuing the critically injured SS-Rank Employee Blake from an apocalypse squad. Lynne's Stepmother Wang Xin and her two stepbrothers come to pick a fight, Lynne orders Blake to suppress them by force, extorts them with sky-high consumption, forces them to check "very satisfi
