Ritsuka Tachibana's ordinary life is shattered when she's unexpectedly targeted by her school's mysterious student council.
These handsome but enigmatic figures, led by Rem Kaginuki, seem to have hidden agendas related to her.
Her world further unravels when her mother is kidnapped, plunging Ritsuka into a secret war between vampires and devils.
Both factions are after a powerful object called the Grimoire, and Ritsuka finds herself inexplicably linked to it.
The return of her brother, Lindo, offers a glimmer of hope, but he too holds secrets that complicate matters.
As Ritsuka navigates this dangerous new reality, she must decide who to trust and confront her growing feelings for the captivating members of the student council.