From Tokyopop:
When a mysterious incident causes Mir to lose her magical abilities, she decides to retire and become a student in a normal school--or so she thought! To her surprise, she's enrolled in a school with a special connection to her family. Will Mir's boring new life keep her from her magical past... and from her divine future?

From NOIR:
A promise made centuries before is passed down through generations, hidden in the blood of witches. When the promise reappears in the form of a vampire, what will our witch do? And what exactly is this promise made centuries ago?

For Haei, being able to go to school with her idol, Ijy, is a dream come true! Plus she gets to help him with rehearsing. But with the girls from his fan club, who make her life hell on earth. But then Eo, a kid in primary school, wants her to pretend to be his girlfriend, making it easier for him to get away from his groupies. Haei's life isn't done being complicated....