This one sucked me in. I loved Titus, but I did feel he fell for and gave in a little too quickly to his feeling for Andreas, though he seems to be holding steady as the story goes. I loved how Andreas' focus changed from revenge to his relationship with Titus. He and Titus are a very good fit.
Daniel is a bit annoying at times, and while I understand the reasons behind his dependence on Titus, it gets to be a little much. I'm really looking forward to his book and seeing him move on.