Haruhi and her friends know about Shikimori's Treasure, Mizuhosaka Academy's establishment and Yuma's past. Suzuri asked Haruhi and Anri to prevent Ibuki from obtaining the Shikimori Treasure. Furthermore, Suzuri wanted to hand it to Anri and entrust Haruhi with Natsuo’s memento but...
If Ibuki-sama gets her hands on the treasure,
there will be a fight as they attempt to regain it.