The once-famous mecha beautician Long Jiu accidentally traveled to a mysterious desert island. Here, he used his extraordinary mecha transformation technology to turn abandoned mechas into masseurs and built the wreckage into a resort. I thought I could live a leisurely life in a "desert island harem", but I encountered the crisis of the return of the first island owner Qin Yuan. Facing the threat of interstellar battleships and the disaster of volcanic eruptions, Long Jiu must pilot the repaired Black Phoenix mecha to protect this homeland with his partners and uncover the secrets of the ancient Phoenix clan.