Luna Merlin attends the Glenn Knight Royal Academy. Although she is a Saint, Luna is considered a failure because she possesses only one ability: the power to freely manipulate dreams. One day, as usual, she falls asleep and enjoys controlling her dreams—when suddenly, a handsome prince named Andy appears inside her dream…!? Andy suffers from severe insomnia due to a demonic curse, and he begs Luna to use her dream-manipulating ability to save him from his nightmares. Summoned to the royal palace, Luna is appointed as Andy’s exclusive sleep companion. A dream-controlling Saint saves a cursed, sleepless prince—through sleeping beside him! A super-sweet, cuddle-filled romance fantasy from Shōsetsuka ni Narō begins!