Heian Juukon Monogatari: Juujin Danna-Sama Wa Shojo Hanayome Wo Amaku Torokasu summary:

Lord Lion has the power to talk to animals, but because of the terrifying animal face, no one wants to get close to him. One day, a girl suddenly broke into Lord Lion’s mansion and approached his lonely heart. The sweet story of a human girl and a lone beast has begun.