Synopsis
Ritsuka Tachibana leads a quiet, uneventful existence until her elder brother, Lindo, returns from his studies in the UK. Her routine is disrupted when Rem Kaginuki, the student council president of Shikou Academy, visits her, leading to strange interactions with the council members. Although her life shifts slightly from that point on, Ritsuka anticipates no major changes. That assumption is shattered when she returns home to discover her mother collapsed and suspicious hooded figures lurking nearby. These intruders are not ordinary humans but devils, vampires, and exorcists in pursuit of the Forbidden Grimoire. As her normal life disintegrates, Ritsuka finds herself drawn to Rem, who aids her in this crisis. Meanwhile, her brother remains an enigma, harboring a dark secret that deepens her confusion. Torn between conflicting emotions and drawn into a complex romantic entanglement, Ritsuka struggles to determine which path to follow while standing at the center of a dramatic love story.