The Holy Grail of Eris, Vol. 2 (manga)

The day after the fiasco at the aristocratic party, Scarlet Castiel demandsher
compensation for saving Connie''s life: help her take revenge on thosewho
orchestrated her execution! Despite her initial hesitation, the normallyreserved Connie
joins hands with the supposed villainess of the century tofinally bring the truth to
light!