Certain Scientific Railgun Astral Buddy Graphic Novel Volume 04

"Hokaze Junko, one of the top 'handmaidens' of Shokuhou Misaki, has always blended into the background of Tokiwadai-an easy feat when you go to an all-girls' school full of powerful psychics. But when a ghostly figure starts stalking her, Junko is suddenly the center of attention! As Junko investigates her stalker, she starts to learn new things about her classmates and herself! "