On his way to visit the Queen of the Garden of Light, the Sage of the Garden of Clouds accidentally drops the egg of the Houhou. The egg lands in the Garden of Rainbows, where it is found by Hikari, attracting the attention of a powerful pair of servants of the Dark Lord.

(Source: AniDB)

Following the original TV series, the story tells the efforts of Momiji Gakuen, Chacha's rival school principal, to discover what is so special about Urara Gakuen students and what she could do to "produce" the best students.

A series of shorts featuring Index-tan.

Included with the limited edition BD of Fate/kaleid liner Prisma☆Illya Movie: Sekka no Chikai.