New York Police Department partners Dee Laytner and Randy Ryo Maclean are on a vacation in the English countryside—which Dee has sneakily set up as an opportunity to seduce Ryo. As romantic tensions steadily build, Ryo spots a dead body floating in an otherwise tranquil lake. With their intimate holiday suddenly interrupted, the pair must decide what they think is more important: solving a case or each other.

Specials bundled with limited edition Blu-ray/DVD volumes of the Fate/kaleid liner Prisma Illya 2wei Herz!.

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.

Specials bundled with each of all five Blu-ray/DVD volumes.