I became a vampire princess and then a dragon girl?

One day, the vampire princess Eve suddenly discovered she was a human hero—a reincarnated being, perhaps even a million-dollar late in recovering her memories. However, true to her Buddhist principles, she quietly chose to lie low. After all, she'd been backstabbed before, so why wouldn't she cling to the vampire queen's support? Huh? She only wanted to enjoy a Buddhist journey, but why was she surrounded by so many people? How could she have become...