A Robin Red Breast in a Cage

Having escaped from the asylum where he was placed after attacking his younger brother, Gilbert Beilschmidt is out for revenge. Pairings: GerIta, SpaMano, possible PruCan if you squint. Warnings: violence, vulgarity, mentions of cannibalism, and yaoi. Co-authored with HellsBellsSinClub, who came up with the idea.