[Main Characters]

Sabrina: An in-training mage who specializes in Boundary Magic. The daughter of a noble family, she has both beauty and talent, and is a perfect being by her own account and everyone else's. But her armpits are extremely sensitive.
Marilith: A skilled mage of the demon tribe and Sabrina's mentor. With her specialty spell "Hexarm," she grows six arms and puts them to use in both combat and tickling.