Momotarou to Oni no Emmusubi

[The Demon Wife is Doted on by His Archenemy Husband] Obsessive Momotarou seme x pure demon uke --Once upon a time, Momotarou came to Onigashima with his three companions. Yes..all to get a demon wife! Shukimaru, an ignorant demon, fights Momotarou to protect Onigashima, but..!? What will happen to the demon's slaying? What will happen to the demon's purity? This is the beginning of a BL folktale about an unlikely pair.