Kagihime Monogatari Eikyū Alice Rondo

Kagihime Monogatari Eikyū Alice Rondo (鍵姫物語 永久アリス輪舞曲) is a Japanese anime produced by Trinet Entertainment. It is an animated adaptation of Kaishaku's manga of the same name. It tells the story of Kirihara Aruto and his adventures with a group of magical girls known as "Alice Users".

Predator

 * Wolf

Prey

 * Kirika Kagarigi

Scenario
In episode 13, a one-off story, Kirihara Aruto and several other characters find themselves magically pulled into the world of a book he was reading. Kirika Kagarigi, one of the Alice Users, goes off on her own to research the world. She gets lost and is attacked by a wolf who swallows her whole.

Kirika is later released from the wolf's belly.