Ep. 4: Paranormal Investigations Club summer sleepover at old school building to investigate ghost stories
Aired on April 30, 2012

The Paranormal Investigations Club holds a summer break sleepover in the old school building to investigate a ghost story. Kirie secretly hopes to find the evil shadow ghost she previously saw. Teiichi and Yuko explore the building together, during which Yuko reveals that the legends of the Ghost of the Old Night Duty Room and the Stone of Curses were merely pranks she orchestrated. Later, Yuko takes Teiichi to her favorite location to watch the sunrise, expressing happiness at their shared time. Meanwhile, the shadow ghost manifests in front of a sleeping Kirie.
Episodes
- Ep. 1 · Momoe discovers the ghost president Yuko and investigates the haunted elevator mystery.
- Ep. 2 · Teiichi and Yuko form a club to investigate Momoe's missing doll mystery.
- Ep. 3 · Teiichi meets Kirie who warns him about Yuko, leading to a supernatural investigation.
- Ep. 4 · Paranormal Investigations Club summer sleepover at old school building to investigate ghost stories
- Ep. 5 · Kirie and Momoe explore the festival after getting lost while escaping Teiichi and Yuko.
- Ep. 6 · Paranormal Club confronts the Akahito rumor and Kirishima's deception during the festival.
- Ep. 7 · Teiichi confronts Yuko's shadow self at the plague memorial stone
- Ep. 8 · Teiichi helps Yuko recover her memories while Kirie faces a mysterious shadow ghost.