Shakugan no Shana S
English name: Shakugan no Shana S: OVA Series
Genres: Action, Drama, Fantasy, Romance
Type: OVA, Episodes: 4
Aired: Oct 23, 2009 to Sep 29, 2010
Studio: J.C.Staff
Source: Light novel
Rating: PG-13 - Teens 13 or older
Synopsis:
Find out what happens when Yuji accidentally triggers a found Treasure Tool while it's pointed at Shana! Then, Yuji teams up with Wilhelmina to stalk their fiery friend—whose secrecy has become unsettling. Finally, in a two-part special, Shana tracks a Denizen's trail by sorting through a Torch's memories for clues. Her sleuth skills reveal a teenage girl's heartwarming last days and a predator with a serious identity crisis!

(Source: FUNimation)