Koyomi Araragi visited the hospital led by Izuko Gaen. What he saw there were two mummies lying in bed, and both of them were still alive. Izuko and Koyomi, wanting to solve this case, receive a new report that another mummy has been sighted.

Five members of the women's basketball club at Naoetsu High School go missing. According to Suruga Kanbaru and Seiu Higasa, that's not the only problem. Koyomi takes on this case and searches for the missing people with Izuko.

To revive a mummified Suicide-Master, Koyomi arrived in Heaven instead of Hell. He obtained some wonder medicine and returned to this world. He starts to revive Suicide-Master, ignoring Shinobu Oshino, Mayoi Hachikuji, and Izuko, who are concerned.

Koyomi went back to the hospital again with the answer to the code that the fourth mummy left. He reported his results, and it was Izuko's turn next, but she seemed to be in low spirits…

Shinobu and Suicide-Master reunited for the first time in 600 years. In contrast to the two rejoicing at their reunion, Izuko delivers some news to Koyomi.

Koyomi joins the girls' basketball meetup and asks them what the five missing people have in common. He reaches a certain conviction as he listens to them and quickly leaves. In the meantime, who paid Suicide-Master a visit, as she was waiting alone at the Kanbaru residence...?

Yotsugi Ononoki has been infiltrating the Araragi residence to keep an eye on Tsukihi Araragi. While Tsukihi is at school, Yotsugi freely spends her time, but she is seen by Tsukihi, who suddenly comes back home.

Nadeko and Yotsugi returned to the Sengoku residence to plan a strategy for the future. Unable to take a step forward, Nadeko ponders how to secure the rest of the Shikigami Nadekos, prompting Yotsugi to remind her of her original purpose. To settle the situation and achieve their objectives, the two headed to the place for the final battle.

With the help of Yotsugi Ononoki, Nadeko Sengoku finally met God Nadeko. In front of God Nadeko, who had a creepy smile on her face, were the two "Current Nadekos." After that, the place Nadeko heads to in order to end the story is the location where Koyomi Araragi used to be.

Koyomi is over the moon when Hitagi announces their first date will finally happen. But on the day of, he finds that she is not the only one there.

In order to become a manga artist, Nadeko Sengoku doesn't go to school and spends her days drawing. So, her parents finally tell her to start working after graduating from middle school. As the deadline until graduation approaches, Yotsugi Ononoki proposes ways to become a manga artist.

Together with Ougi Oshino, who says, "I saw Nadeko in uniform," Nadeko Sengoku arrives at 701 Middle School, a public school, where she was sighted. Despite her anxiety, Nadeko stepped into the school. The scene she witnessed was unexpected.

Inspired by her conversation with Sodachi Oikura, Nadeko was heading to the Araragi residence to secure Meek Nadeko. However, there was a big hole around the knob of the front door, big enough for a human wrist to pass through. Meanwhile, Yotsugi, who had gone in the other direction to look for God Nadeko, was heading toward North Shirahebi Shrine.

Kaiki proceeds to deceive Nadeko Sengoku. However, Nadeko with surprising ease sees through Kaiki's lies and attacks with numerous white snakes. What will be coming last out of the tongue of a con artist near death–a lie, or the truth?

An apparition is behind why Mayoi is unable to reach her mother’s house. Receiving advice from Meme, Hitagi tells Koyomi the surprising truth.

Koyomi takes Suruga to see Oshino in order to help her. However, the help he offers isn't the help Koyomi wanted...

Kaiki meets Nadeko Sengoku face to face at North Shirahebi Shrine. Nadeko's personality became a lot brighter once she became the snake god, and she starts to talk to Kaiki in a carefree manner about how she was going to kill big brother Koyomi soon...

Suicide-Master, who woke up from starvation, was told by Tropicalesque that the cause of her death was "the Beautiful Princess." Intrigued by her tale, Suicide-Master goes out to find "the Beautiful Princess" to have her as a first meal out from her slumber despite Tropicalesque's warning.

Suicide-Master, who still keeps dying, realizes that consciousness reform is needed for both the one who eats and the one who gets eaten. She watches Princess Acerola try her best to change with a smile, but Tropicalesque has a thought for his master.

Tsubasa determined the identity of the giant tiger apparition “Kako,” and writes one long letter. The letter was addressed to Black Hanekawa, the apparition that could be described as her other personality.

Kaiki, deciding to accept Hitagi's work request, visits the town where Koyomi and his friends live. He starts to do research on Nadeko Sengoku, the junior high school girl turned god of North Shirahebi Shrine, who is the current target of deceit.

Koyomi takes Hitagi to consult Meme Oshino, the wandering expert on supernatural oddities. Meme provides advice to them on exorcising apparitions.

As Shinobu explains how Tsukihi came to be in her currents situation. Araragi resolves to stop the out-of-towners from killing her. But unlike Oshino and Kaiki, Kagenui speaks with her fist and she talks a lot.

Nadeko finally found the object of worship. Kuchinawa, now in a good mood, tells Nadeko that he will grant her a wish. But Koyomi shows up right then and starts his attempt to convince Nadeko to let go of that object of worship.

Koyomi and Ougi find themselves trapped in a classroom, and the story shifts back to the point when Suruga introduces Ougi to Koyomi. Ougi approaches him with a mystery about a room not seen in the school's blueprints for them to investigate. When they enter the room, they find themselves trapped inside, leading them to their current situation. While talking about their predicament, the duo realize that the room is an oddity created by a traumatic memory from Koyomi's freshman years. Koyomi then tells Ougi that two years prior, the class president at his and Hitagi's class at the time, Sodachi Oikura, was looking for possible culprits of cheating on a math test, and would not allow any student to leave class until a culprit was found. Ougi surmises that they themselves won't be able to leave the room until the two-year-old mystery is solved.