Gakkou no Kaidan

Siblings pursue their cat into a haunted school and confront the fear-feeding demon Amanojaku

Satsuki and Keiichirou Miyanoshita relocate to their late mother Kayako’s hometown with their father Reiichirō Miyanoshita. When Keiichirou’s hidden pet cat Kaya escapes into an abandoned school, the siblings enter to retrieve it. Inside, they encounter Hajime Aoyama, Leo Kakinoki, and Momoko Koigakubo. The group flees from various ghosts before facing Amanojaku, a demon that grows stronger by consuming children’s fear. During the escape, Satsuki discovers her mother’s diary containing instructions for sealing demons. The children successfully exorcise Amanojaku, but because the designated camphor tree was destroyed, the demon remains trapped within Kaya.

Hajime and Satsuki confront the red or blue paper monster in the old school restrooms.

Following restroom malfunctions in the new building, students are redirected to the old school facilities. There, the entity Akagami Aogami appears, offering victims a choice between red paper, which causes blood loss, and blue paper, which leads to asphyxiation. Hajime attempts to evade this deadly dilemma by answering "yellow," inadvertently opening a portal to the spirit world. Satsuki intervenes to save Hajime, successfully sealing the monster inside a water-filled jar marked with a Torii symbol. This action resolves the immediate threat posed by the supernatural entity haunting the school grounds.

The Curtain Is Raised!! The Cursed School Fine Arts Festival Kutabe!!

Satsuki's class plans a drama where Keita, the lead actor, fears a curse after reading about a similar fatal incident. He secretly wishes for the gymnasium to burn down to cancel the performance, and lightning subsequently ignites the building. Consequently, the festival relocates to the old school house. Keita is injured when a basketball net falls on him, allowing his understudy, Leo, to take over. The disturbances are caused by Kutabe, a kitsune-like ghost haunting the fourth step of an old stairway, which grants wishes spoken there. Construction workers demolish the stairs, enabling Kutabe to manifest on stage during the play. As Leo begins his performance, the ghost attempts to overpower him but is sealed away by the rest of the group before it can cause harm.

Beethoven's Ghost Curses Satsuki with the Deadly Melody of Für Elise

The old school building is haunted by the ghost of German composer Ludwig van Beethoven, who plays piano and curses listeners through the song Für Elise. He declares that anyone hearing the piece four times will die, using various objects to transmit the music even if they cannot normally play. Satsuki becomes cursed after accidentally hearing the tune while helping a music teacher move boxes to the old building. The situation concludes when Momoko, possessed by Kayako, seals Beethoven inside a metronome.

Keiichirou befriends the ghost Datto during the school sports festival race preparations

While preparing for a school race, Keiichirou befriends Datto, a ghost with two personalities. One form is a speedy boy who died after being hit by a car while training for this same event. The other is a demonic hare-like creature that collects legs from sprinters. Datto initially targets Keiichirou, but after Satsuki reveals that Keiichirou considers him a friend, the boy's spirit redeems himself. He prevents his evil alter-ego from attacking Keiichirou as he approaches the finish line. This act of kindness allows Datto's spirit to find peace and be freed from his torment.

The Demon Hand That Tears Through Doors: Night of Tragedy

A reality-altering spirit named Babasare attacks local children while their parents are absent, causing days of terror. This entity, resembling the Grim Reaper, haunts those who fear him but cannot appear to adults or brave individuals like Momoko. When Babasare targets Satsuki, Hajime, Leo, and Keiichirou at Satsuki's home, she attempts to repel the spirit by pouring hot water on it. Although this action temporarily halts the attack, the narrative reveals that the measure is insufficient to permanently destroy the entity, leaving the children vulnerable to future encounters with the supernatural threat.

The Soul Stolen by the Mirror!! Utsushimi

A ghost inhabiting an old mirror named Utsushimi escapes into the school building. It captures individuals, trapping their souls in the mirror world while replacing them with glass-wearing replicas that lack reflections. The entity attempts to substitute every person in the town with these duplicates. Satsuki intervenes to stop the takeover by positioning a second mirror directly in front of the ghost. This action seals the entity away and restores the town to its original state, returning everyone to normal.

Leo nearly falls to the underworld demon hag while searching for the Yomi-net website.

Leo searches for the Yomi-net website, which connects to the underworld, and nearly falls victim to the underworld demon hag known as Datsue-ba. In the past, this entity used to take lost people to the boats of the Sanzu River and force them to cross into the underworld. Her activities ceased after the city installed lights, prompting her to use the Yomi-net to achieve the same goal online. Satsuki and the others help Leo return by scanning him an o-fuda and instructing him to wish to go back home.

Satsuki helps Mio release the cursed rabbit Shirotabi from its nightly demon form

Mio, a school pet keeper, uses black magic to revive her rabbit, Shirotabi. The ritual succeeds but curses the animal, transforming it into a demon every night. Despite Mio's efforts to control Shirotabi, the creature no longer recognizes her. Satsuki and her friends intervene to persuade Mio that Shirotabi belongs with the dead. Convinced by their argument, Mio agrees to end the curse. She breaks the spell, allowing Shirotabi to pass on and freeing it from its torment. This resolution restores peace for both the rabbit and its grieving owner.

Satsuki and friends confront the vengeful taxi driver ghost haunting the cursed Anamaneki tunnel.

A taxi driver’s spirit haunts the cursed Anamaneki tunnel, luring victims to drain their energy after dying while rushing home for his daughter’s birthday. Satsuki and her group encounter the malevolent entity, becoming trapped within the tunnel’s confines. Kayako assists Momoko through telepathic communication, enabling the group to resist the tunnel’s dark influence. With the help of the taxi driver’s ghost, whose evil nature is exorcised, they manage to escape the trap. The driver’s soul is ultimately freed from his torment, allowing the group to leave the dangerous location safely.

Satsuki encounters the dangerous Mary doll who controls toys and attacks before leaving with a tissue.

Satsuki is pursued by Mary, a ghost resembling a beautiful European doll who asks to play. Amanojaku warns that despite her innocent appearance, she is a dangerous deity. Satsuki and her friends attempt to trap Mary in a doll house containing toys of the deceased. Instead, Mary gains control over the other toys, forcing them to attack Satsuki in a game resembling Kagome Kagome. Ultimately, Mary saves Satsuki, stating she was not having fun. She departs by taking a tissue Satsuki used to clean her, wearing it as a cape before fading away forever. This encounter highlights the perilous nature of the spirit despite her doll-like form.

A mysterious nurse haunts Keiichirou, revealing a final letter from Satsuki's mother.

A mysterious nurse-like figure begins haunting Keiichirou, acting as a Shinigami who visits those near death to allow final conversations with loved ones. Satsuki's mother described this deity to her, but Satsuki fears the nurse seeks evil purposes for Keiichirou due to childhood trauma regarding their mother's death. However, the truth is revealed to be benign. The nurse's only intention was to deliver a letter from Satsuki's mother, which she had intended to give them before she died. This encounter resolves Satsuki's fears by showing the figure's benevolent role in facilitating closure rather than causing harm, allowing Keiichirou to receive the final message from his late mother.

Satsuki paints a picture resembling her mother's work, releasing a Da Vinci-obsessed ghost teacher.

Satsuki creates a painting that coincidentally mirrors her mother's artwork from the past. This act releases the spirit of a former art teacher from the old school, who was obsessed with Leonardo Da Vinci. Known as Da Vinci, this ghost gained the ability to suck objects and people into his paintings upon death, causing fear among both humans and spirits. He had previously been sealed by Satsuki's mother within a depiction of the old school. After causing trouble, Satsuki successfully reseals him in the painting, ending his threat.

The Ghost Photograph That Takes Lives: Railway Crossing of Evil

A railway crossing in town is haunted by Shizuko, a woman who died after being struck by a taxi while preparing for her wedding. Her spirit, now a yūrei, targets taxi drivers passing the site of her death. Shizuko possesses Momoko, draining her life force until Leo intervenes. Leo discovers Shizuko's wedding ring and identifies the taxi driver responsible for her death. He uses this information to stop the possession. Shizuko then confronts the driver, dragging him away as she disappears from the area. The incident concludes with the spirit vanishing alongside the man who caused her demise, leaving the crossing quiet once more.

Satsuki and friends perform a black magic ritual taught by classmate Shinobu.

Satsuki and three friends are instructed by classmate Shinobu to perform a black magic ritual promised to grant their wishes. The spells serve as a trap to steal the girls' souls, revealing Shinobu as the avatar of an evil deity named Yamime. Satsuki discovers that Shinobu was previously her mother's classmate who vanished under mysterious circumstances, likely consumed by Yamime upon her death. To stop the threat, Satsuki seals Shinobu by binding her with red lipstick and using the flash from her camera to shine light directly at her, effectively containing the darkness.

The Public Housing Block That Consumes People!! Nest of Evil Spirits

Satsuki’s father suffers from a mysterious fever while she and her friends are tricked into entering an abandoned building by a woman feigning suicide. This trap is orchestrated by Soma, a powerful deity released during construction that haunts the structure and curses intruders. Soma controls minor ghosts to lure victims into its nest. To resolve the crisis, Satsuki utilizes her psychic abilities, supported by Amanojaku and the spirit of a middle-aged man, to successfully seal the entity away within the building.

The Horror of Bloodstained Lake!! The Snow Specter

Satsuki and her friends visit cousin Miyuki, but Yuki claims Miyuki died in a snowstorm and haunts the cabin. Miyuki is actually alive, and Yuki is the ghost of a girl who drowned in a lake long ago while waiting for her mother. Yuki attempts to trap Miyuki as a ghost by having the group chant a spell using a blood-covered photo. The spirit rests after the group repeats the chorus "Go with the snow, but not the snow that is yellow" using an old newspaper photograph.

Satsuki Becomes School Announcer and Encounters the Haunted Ghost of Akane

Satsuki accepts her teacher's request to serve as the school announcer. During her duties, she discovers the broadcast room is haunted by Akane, a student who died of a sudden heart attack while hosting a radio program in the old school building. Akane's spirit curses anyone who hears her voice, causing them to die at sunset on that same day. To neutralize the threat, Satsuki induces a spiritual sleep by repeatedly chanting the number four, leveraging the Japanese cultural association between the word for four and death. Hajime completes the ritual by ringing the bell that signals the end of the radio transmission, thereby resolving the haunting.

Satsuki and Keiichirou confront Lord Ouma, who targets Kayako Miyanoshita's family.

Satsuki and Keiichirou face Lord Ouma, a powerful evil deity who controls sealed ghosts and holds a grudge against Kayako Miyanoshita. To seal him, they must imprison him in a large bell once an exorcist gains sufficient spiritual power. Since Satsuki has not fully developed her abilities, Amanojaku leaves Kayako's body to fight Ouma while Satsuki gathers strength. Ultimately, Satsuki seals both Lord Ouma and Amanojaku. Amanojaku sacrifices himself to allow Satsuki to accumulate enough power to destroy Ouma permanently, resulting in his accidental sealing alongside the defeated deity.

Ohma descends as the episode bids farewell to Amanojaku