Alis take Ai and her friends to his world--a world that can only be saved by destroying it. The students of Class 3-4 have created an enclosed world that loops in time. Alis may want to destroy it, but he has an enemy in his way...

Kanetsugu and Keiji's audience with Hideyoshi is drawing nearer. Keiji has his own idea on what he's going to do, and Mitsunari has made his own arrangements to try to ensure that Keiji doesn't do anything to get him killed. But then Keiji finally appears in front of Hideyoshi...

On the first day of Golden Week, Koyomi Araragi, together with Tsubasa Hanekawa the class president, buries a tailless cat that was ran over by a car. An event that was supposedly petty and commonplace. However, the curtain rises on the “nine days of hell” that follow.

As the new school term begins, a seating change moves Tomoko to the second row directly in front of the teacher's desk, surrounded by classmates who have a ball talking to one another. The thought of sitting there for the whole term quickly makes Tomoko's stomach hurt. After returning from the restroom during the lunch break to find her chair in use by another student, Tomoko sets out to search the school for a place to eat her lunch in peace...

Obsessed with the desire to become stronger and master her own path, Yura leaves C³ and joins the Meisei Women's Academy survival game club. Though the team emerged victorious from their first game with Rin and Yura working as a two-man cell, Yura completely ignored the team's strategy and combination efforts, leading Rin to make Yura participate as the medic in their next game. Unable to understand Rin's reasoning, Yura is further driven to become stronger and begins a training regimen so strict, it's as if she's possessed by something...

Various customers come to visit Honda Bookseller's. So many people, so many minds, each with their own color, and each with their own book. There Daimon and his men in black suddenly appear, buying up all of Akiyama Shinobu and Himehagi Momiji's books.

Shinobu is fatally injured when trying to protect Hazuki from Ao! Now it is Hazuki’s turn to save Shinobu at the cost of half of his own life. With Ao still after them, does Hazuki have the strength left to protect Shinobu and his gem?

The last goddess is inside Ayumi, but only two days remain. Keima has no choice but to drop Chihiro hard and switch over to Ayumi's route. However, Ayumi happens to be watching and she begins avoiding Keima, which disrupts his conquest. At the same time, Lune has come to the Mai High School with her Vintage underlings to hunt goddesses.

Jinbei's flower team advances steadily. Meanwhile the snow team, the Magistrate's party, reaches the eternal well. Kirigakure Saizou then reveals his true self and begins a one on one fight with Mugai.