1. Episode 0: Crank Up On Board the Ship

0

. 23 June 2010. 25 min

This is a DVD-only episode, designated as episode 0.

2. Episode 6.5: Prediction (Yogen)

0

. 17 May 2010. 25 min

A special recap episode which includes additional information on the main characters.

3. Episode ??: Devil of the Opium Den (Ahenkutsu no Akuma)

0

. 22 September 2010. 24 min

Sakurai orders the group to investigate an opium den which is said to be a hideout of spies. However, something went wrong with Yukina's abilities. As a result, she tried to figure out the events that had happened when she entered the den.

4. Episode 14: Snow Leopard

0

. 22 December 2010. 25 min

This is a DVD-only episode which is an epilogue to the main storyline set in 1936, four years after the plane crash. Kazura is back in Tokyo and receives another mission. Meanwhile, Yukina visits Natsume's family to give back his belongings.