The God and the Gwisin by Sophie Kim is a captivating contemporary fantasy romance and the eagerly awaited sequel to The God and the Gumiho. Set aboard a luxurious underworld cruise ship the story follows Seokga a trickster god newly reinstated after reforming himself and seeking his lost love through the mystical red thread of fate. The thread leads him not to his reincarnated beloved Hani but to Yoo Kisa a gwisin (spirit) with no memory of their past connection. When the Heavenly Emperor is murdered on board Seokga and Kisa must uncover the truth before the voyage ends. As they work together their bond deepens forcing both to confront questions of fate identity and what it truly means to love across lifetimes. Blending mythology mystery and emotional depth the novel delivers a swoony immersive tale of romance and self‑discovery.