After a sudden demise, a Shinto exorcist is reborn in a new realm as Miss Nicola von Weber. Her entry into a different school brings her face-to-face with her childhood companion, Sieghart, now a charming marquess whose whimsical behavior attracts peculiar occurrences. Tasked with protecting Sieghart from both earthly beings and supernatural suitors, Nicola must juggle her exorcist duties with evading his impending proposal. Despite her desire for a simple life, Nicola finds herself entangled in a whirlwind of romance and ghostly encounters that test her resolve for normalcy in this captivating tale.