Follow up to “Thoroughbred wa Nabikanai”. The thoroughbred, Shiba Toshimasa, and the lion, Shishidou Ouga, are childhood friends and today lovers. But, as the boy of a good family, Shiba faces an engagement in order to his thoroughbred friend, Touma Rei. Although he requested Touma to reject the particular engagement, Shishidou finds out about this…?!