Ep. 4: The library explains world history while a hidden danger emerges
Aired on October 20, 2012

The narrative focuses on the library's ongoing exposition regarding the history of the world. As this educational content unfolds, a significant threat begins to manifest in the background. The scene juxtaposes the informative dialogue with an underlying sense of impending peril, suggesting that the past being recounted is connected to a current and looming danger. This tension builds as the characters remain unaware of the shadowy presence that threatens to disrupt their understanding of global events.
Episodes
- Ep. 1 · Saki receives a Blessing Spirit but struggles with her skills in the Unified Class.
- Ep. 2 · A student disappears from the roster while Saki uses her powers outside of class.
- Ep. 3 · The group rows beyond safe zones seeking monsters but discovers a far worse threat
- Ep. 4 · The library explains world history while a hidden danger emerges
- Ep. 5 · Satoru and Saki captured by Monster Rat group during hot night pursuit
- Ep. 6 · Saki devises an escape plan for herself and Satoru, drawing them deeper into clan warfare.
- Ep. 7 · Satoru struggles against the overwhelming Earth Spider Colony as unexpected aid arrives from a dangerous ally.
- Ep. 8 · Two years after the camping incident, the friends' relationship has changed dramatically