Gosick - Season 1 Episode 11 -

Jaqueline, an old friend of Grevil's, pays a visit to the Academy to make a donation and has a sudden encounter with Victorique at the Library Tower. There, she tells the story of a mysterious incident from the past where she was falsely accused of murder, unaware about its connection with both Victorique and the reason why Grevil has started bearing his unusual hairstyle.