Read manga: Thoroughbred Wa Yuruganai

manga
Summary:

Sequel to "Thoroughbred wa Nabikanai". The thoroughbred, Shiba Toshimasa, and the lion, Shishidou Ouga, are childhood friends and now lovers. But, as the son of a good family, Shiba faces an engagement to his thoroughbred friend, Touma Rei. Although he asked Touma to reject the engagement, Shishidou finds out about it...?!