Lapis Lazuli no Oukan

The assistant to a sorceress with strange powers, Mieru meets Radi on the street. He has the same name as the prince she has admired but he's the exact opposite! From him, she receives the Lapis Lazuli, a charm for increasing magic... (Source: Vampire Knight)

Included one shot:
Volume 1: Daisy Romance

Lapis Lazuli no Oukan was published in English as The Lapis Lazuli Crown by CMX Manga from May 26, 2009 to September 15, 2009.