The Holy Grail of Eris, Vol. 6 (manga)

On the way back from visiting the Bronson Company, Connie is nearly kidnapped but saved in the nick of time by Aldous. Realizing just how much danger she-s in, she tries to keep Kate at a distance-but it-s all for naught when Kate is taken and a threatening blackmail letter arrives! Connie leaps into action to save her friend, but she-s not the only one on the move, as Amelia Hobbes and the merchant Vado both have their own plans-