Yearning(ヤーニングYāningu) is one of the short stories from volume SII of the Shakugan no Shana light novel series. The story takes place two years before the first volume and is about Wilhelmina Carmel's encounter with the Engage Link: Pheles and Johann, in Central Asia. The Crimson Denizen organization called Hyakki Yakō, which is introduced in this story, will later play a large role in the main storyline. The first and second tracks of Shakugan no Shana F Superiority Shana III Vol. II were adapted from this story.