The Holy Grail of Eris, Vol. 2 (light novel)

Connie has been possessed by the infamous villainess Scarlett and forced to aide in her revenge. On top of investigating the truth of Scarlett´s execution, Connie must deal with a sham engagement and censure by suspicious nobles. Just as she begins to pick up on a possible conspiracy, an unknown evil targets her personally. She barely escapes a mysterious attacker, but now her best friend Kate has been kidnapped...?!