Chaika The Coffin Princess S1 Ep 4 - F2F Transformation

Season 1 Episode 4 The Dragoon's Wish
The Dragoon then reveals that Dominica died shortly after the war ended but due to their close bond, she was unable to forget her master. As promised, the Dragoon gives them Arthur's eyes and decides to follow Toru, Akari and Chaika on their journey in the form of a young girl by the name of Fredrika.