Ero♥Meruhen: Aohige

Synopsis

In this erotic re-telling of the traditional fairy tale, a young girl marries the despotic ruler of the province of water, who is known for his lengthy blue beard and who is rumoured to eat his wives. When he leaves her alone in his castle, she goes exploring and finds a magic door that leads to the province's capital city... (Source: Antisense Scanslation)