Arie is the Aries Star Maiden of Conception: Please Give Birth to My Child!!. A kindhearted nun, she has been studying and teaches young children at church for quite sometimes. She's capable of casting a spell which causes dizziness. Arie is kind at heart, being both gentle in personality and appearance. Very kind towards the children she looks after at Church and even for Itsuki before she begins to develop romantic feelings towards him. Because of her religious values, Arie is a strict teacher. Its also because of these values that she activities and hobbies she enjoy like Classmating and collecting weapons as sinful and shames herself for enjoying them. She does eventually learn that there is nothing wrong with enjoying what she loves. Though Arie is very easy to get along with, she tries to keep these aspects of herself a secret except to those she is close to.