High School DXD, Vol. 17 (Light Novel): Professor Valkyrie

By Ichiei Ishibumi

As Issei and the others train relentlessly to meet the approaching battle, Rossweisse's grandmother arrives at the Hyoudou residence. Rossweisse has incredible respect for the elderly witch, a living legend, but something about her seems off...

• Format: Paperback
• Language: English
• ISBN: B0F9W7R8K3
• ISBN13: 9798855417661
• Release Date: November 2025
• Publisher: Yen on
• Length: 200 Pages
• Weight: 0.55 lbs.
• Dimensions: 0.6" x 5.6" x 8.2"
• Age Range: 18 years and up
• Grade Range: Postsecondary