Danna-sama wa chotto Dajaku na Shukuyou-shi

College student Koharu Ichinomiya takes a part-time job at the Ren'oin mansion, a prestigious family of astrologers dating back to the Heian period. She finds herself drawn to the mysterious head of the household, Kuuga Ren'oin, who secretly knows she is his destined bride—yet his timid nature keeps him from getting closer. As their feelings deepen, obstacles keep piling up in this frustratingly sweet tale of fateful love.