Kagi Hime Monogatari: Eikyuu Alice Rondo

When an aspiring writer moved by the classic tale Alice in Wonderland meets a group of magically gifted young girls, the literary fuel for a new and truly fantastic "Alice" story is revealed. Key Princess Story is a fantastic adventure of a hopeful scribe and a group of girls with special powers in pursuit of the missing third book of Alice called "Eternal Alice."

(Source: RightStuf)