Kashimiya Tsukasa is reincarnated into his favorite novel as the villainous Duke Heinreid. Haunted by his memories of the Duke’s unforgivable deeds, he’s determined to face his death as written—but his personal knight, Craig, may have other ideas...

Sister Alicia Snowell—a bride of the gods and a Church inquisitor—is tasked with seducing and assassinating the demon-slaying Hero Elcyon. Unfortunately for her mission, Elcyon turns out to be a girl named Cion! What’s Alicia supposed to do now?!