"The moon is full, and you cannot deny your true nature any longer!"
-- Ageaus

This awesome piece was created by Ageaus ( https://www.furaffinity.net/user/ageaus ) as part of his "Curse Of The Moon Series" ( https://www.furaffinity.net/view/33421638 ).
This is the second part, where the true nature of Markus is revealed by the intense light of the full moon.