Shakugan no Shana S: OVA Series

The Shakugan no Shana S OVA series explores a few standalone events. In one episode, Yuji inadvertently activates a Treasure Tool on Shana, which prompts a reaction. Wilhelmina and Yuji work together to investigate Shana's increasingly secretive behavior. In another episode, Shana uses her skills to analyze the memories of a Torch and track down a Denizen. This leads her to a poignant story about a teenage girl's final days and a Denizen struggling with its identity.