Beast of the Tower (Werewolf Transformations)

Werewolves pop up surprisingly often in yaoi manga, usually with disappointing results. Beast in the Tower is a glorious exception. The plot involves aristocratic Edgar taking in a poor commoner named Lucca. They fall in love of course, but Edgar has a dark, hairy secret...

In Chapter 3 we get a brief one-page transformation:

In the next chapter, Edgar undergoes a partial TF:

In Chapter 5 another lycanthrope is introduced into the story--he performs as a circus freak:

Edgar rushes home, where Lucca confronts him. The moon is up, so Edgar starts changing:

Edgar goes to fight the other werewolf, who transforms first:

At the very end, love conquers all and Edgar reunites with Lucca. The images below were originally a few pages apart: