Fate/Zero: Onegai! Einzbern Soudanshitsu
Please! Einzbern Consultation Room
Fate/Zero: Please! Einzbern Counseling Room
Written by Kinoko Nasu, these specials are included in the BD box sets I & II.
Join Irisviel as she helps Disciple No. Zero understand more details and history relating to the Holy Grail War.