Trinity Seven: The Seven Magicians Gn Vol 03 (Mature)

At the Royal Biblia Academy, magical occurrences are commonplace, but ghosts? While investigating a ghostly happening at the school, Arata and his friends find themselves trapped in the Eternal Library - where a pigtailed beauty suddenly appears before their eyes! Just who is this mysterious babe, and what is she after? Yen Press
(W) Kenji Saitou (A/Ca) Nao Akinari