Ep. 11: Shion faces a threatening call from the murderer while Hisatani faces trouble due to police discovering the call originated from his cell phone.
Aired on December 23, 2007

11
The narrative centers on a disturbing incident involving a threatening telephone call received by Shion. The source of this call is identified as the murderer, creating immediate tension. Complications arise for Hisatani when law enforcement authorities investigate the communication trail. They discover that the call was made using Hisatani's cell phone. This discovery places Hisatani in significant trouble, linking him directly to the criminal activity despite his potential lack of direct involvement in the threat itself. The episode highlights the intersection of the victim's fear and the accidental or incriminating involvement of a secondary character through modern technology.
Episodes
- Ep. 7 · Shion and Nikaido demonstrate their abilities to Satoru for a new unrestricted shogi tournament
- Ep. 8 · Shion Visits Ayumi's Mother and Plans the Tournament
- Ep. 9 · Nikaido faces Ayumi's master Kamizono in a difficult tournament match
- Ep. 10 · Shion faces a skilled online prodigy and seeks an anonymous tip to gain an advantage.
- Ep. 11 · Shion faces a threatening call from the murderer while Hisatani faces trouble due to police discovering the call originated from his cell phone.
- Ep. 12 · Shion, Ayumi, and Nikaido Prepare for Strong Enemies to Reach Finals
- Ep. 13 · Shion perceives Satoru's hostility during their competitive match
- Ep. 14 · Nikaido Conceals Ayumi's Secret as Finalists Are Determined
- Ep. 15 · Shion faces her foster father as her first final opponent in a long match