It is revealed that Outer Moka is a personality made by the sealing ceremony of the Rosario and Inner Moka is closest to the original Moka, which is save for repressed memories.
As long as it means that I don't lose anyone else.
I knew that I mustn't get closer.
She also becomes delighted with Tsukune's blood and early on states that it is the main reason why she bothers to save him whenever he is attacked in the first place.
She also possesses plenty of knowledge of the other classical types of monsters that attend Yōkai Academy.