Love is in the air. First, a smitten classmate seeks Rudeus's help to meet the girl of his dreams. Then the beast people's mating season puts Rudeus in an awkward position—one he'll have to fight his way out of.

Nezuko, Zenitsu and Rengoku fight against Enmu to protect the passengers. Meanwhile, Tanjiro and Inosuke discover the location of Enmu's neck. They work in tandem to thwart Enmu's Blood Demon Art and sever Enmu's neck. The Mugen Train writhes in pain and derails. What will be the fate of the 200 or so passengers as well as Tanjiro and his friends?

As Nezuko rushes to aid Tanjiro during a critical moment, her appearance begins to gradually take on a demon form as she sustains Daki's attacks. Nezuko is able to overpower Daki as her demon form accelerates; however, she turns her attention to innocent bystanders injured during the battle and charges towards them. While Tanjiro attempts to restrain Nezuko, Daki draws near...

As Tanjiro continues to battle against Daki's powerful attacks using the Hinokami Kagura, Daki's power increases even more when her Belts return to her body after escaping Uzui and the others' attacks in the nest. The situation intensifies when Daki's attacks are directed at the town's citizens, who begin to come outside upon hearing the commotion...

Wakana felt relieved just for a moment after they got all of the materials they needed for Marin's cosplay, but then he's shocked to find out that he needs to finish the cosplay in two weeks. On top of that, his grandfather, Kaoru, hurts his back, so Wakana has to run the shop and he also has midterms. Wakana feels overwhelmed and gets depressed, wondering if he'll ever actually become a kashirashi at this point.

Kaido remembers how he was treated unfairly in the past and how he believes the world should be. While his friends struggle to survive on Onigashima, Luffy is asked by Kaido to picture his ideal world as he throws a destructive punch.

Yoyo summons Sora and the gang to Skyland, where they explore a ruin that suddenly appeared. In the depths is a book called “Majectic Chroniclon” that contains the Ultimate Power.

As the fire dragon rampages and threatens the future of the Ayaka Islands, Jingi steels his resolve and prepares to follow through on a promise he made years ago.

The residents of Mikazuki temple engage in their end-of-year tradition of pounding mochi. Several of them get hot and bothered while dealing with some of the implications of all the pounding going on at the temple.

Returning to work after New Year's Shiori thinks she's gotten taller and she asks Shinozaki if he notices anything different about her. Later, Yutaka swipes her brother's phone and sends a message to Shiori asking for a picture.

Returning to work after New Year's Shiori thinks she's gotten taller and she asks Shinozaki if he notices anything different about her. Later, Yutaka swipes her brother's phone and sends a message to Shiori asking for a picture.

It's the end of the year, and as Shinozaki and Shiori are filled with anticipation for a new year, Chinatsu is staring down a deadline for her new dojinshi, with her only help coming from an unexpected individual.

The office gang decide to use some of their paid time off to go on a hot springs vacation. At the inn's pool Shinozaki finds out that Shiori can't swim so he wants to help teach her.