Chaika, The Coffin Princess, Vol. 4

A tip from the mysterious "Guy" leads Toru, Chaika, and Akari to a means of transportation--and the location of one of the "heroes" of the battle of the Gaz Imperial Capital, Dominica Skoda. But the journey to Dominica's residence is dangerous, and when the trio is ambushed by a group of monsters, they're saved in the nick of time by a mysterious female knight!