王立図書館のはりねずみ, Ouritsu Toshokan no Hari Nezumi Hikikomori Majutsushi to Ouji no Sagashi Butsu, Oritsu Toshokan No Harinezumi Hikikomori Majutsu Shi to Oji No Sagashimono, 王立図書館のはりねずみ ひきこもり魔術師と王子の探し物, The Hedgehog of the Royal Library The Reclusive Magician and the Prince's Quest, The Hedgehog-like Witch Of The Royal Magical Library
Exia, celebrated as a prodigy who passed the "Magician" qualification at the youngest age ever, is well-regarded within the Royal Library. Her skills and knowledge are impeccable, yet she has just received her second rejection in the promotion exam for "Senior Magician." Informed that she lacks an essential quality, Exia is left wondering what it might be. One day, she catches the attention of a man attempting to enter the library’s restricted area and decides to act as his guide. He turns out to be none other than the country's First Prince, Ivan! Through her encounters with Ivan, Exia gradually starts to realize what she's missing, leading the two of them toward uncovering the kingdom’s deepest secrets… This authentic bibliophilic fantasy from Kadokawa Beans Bunko is now brought to life as a manga!