Continuing from the last episode, Isumi gets to Nagi's mansion but Hayate leaves to pick up the tea that he was supposed to get. Hayate is ambushed by Isumi's protective staff and the loan sharks from the first two episodes. Hayate eventually makes it back, but comes down with a cold. The next day after Hayate has healed, he meets a young boy and his maid who have come to Nagi's mansion. The boy, Wataru Tachibana, is Nagi's fiancé.
With Takuto monitoring them from afar, Aichi and Kai finally confront each other. When Aichi questions Kai on his actions, he explains his reasoning as to why he chose to be Reversed despite the consequences. Wanting to save Kai like he did when Aichi was under the negative influence of Psyqualia, Aichi engages him in an intense cardfight. Aichi is put in a seemingly hopeless situation, and although he stays determined to win, Kai thinks otherwise...
After learning that Kohane is being harassed by the public as many believe her powers are a fraud, Watanuki pays a visit to her.
Shiori Makimura is sent to take over Yukiji Katsura's homeroom at Hakuō Academy after a number of failed projects at M.H.E. Corp. Yukiji Katsura is demoted to sub-homeroom teacher. In order to get her old job back, Yukiji begs Hayate to help her blackmail Shiori. Hayate refuses, but Shiori runs away crying and calls Eight after Yukiji manages to get a picture of Hayate on top of Shiori after he falls down.
After turning down Ayumu, Hayate continues to wonder what she is doing while at he is at the mansion. Transfer documents arrive in the mail for Hayate to transfer into Nagi's school, and Hayate is overcome with joy to the point of crying. Hayate attempts to study the rest of the day for the exam the next day, but continuously gets interrupted by Klaus and Tama, so he does not get much sleep. The following day, Yukiji Katsura, one of the teachers at Nagi's school, has a bit of fun at Hayate's expense in order to "loosen him up" before the real exam. However, due to the physical and mental exhaustion he acquires as a result, he fails the entrance exam by one point. Yukiji is told that she must go to the Sanzenin mansion to inform Hayate, but is hesitant to do so because she believes herself to be the reason Hayate failed.
Hayate is ready to fight. However, the boy who challenged him calls his butler to fight instead. The butler then punished the challenger for being a coward. Hinagiku then stops them and the battle starts. Hayate stands no chance against the butler since he lacks a last-minute powerful move. However, he eventually wins by using the boy who challenged him as shield calling it the "Art of Changing Bodies."
Hayate tries to motivate Nagi to go to school finally, and offers to take her to and from school everyday from now on. Nagi reluctantly agrees and goes to school for the day, but when she comes back it turns out she forgot her notebook at school. Hayate offers to go to school late at night to bring it back and at the school gate he runs into one of the school's teachers he met earlier.
Due to Hayate's most recent borderline test scores, Nagi gives him some time off to study. Meanwhile, Klaus sends a robotic butler which looks somewhat like Hayate to fill in for him while he is studying. The robot, known as Thirteen, does an even better job as a butler than Hayate even could, which depresses him when he finds out. Thirteen devises a plan to get Hayate and Nagi alone together, though only Hayate realizes this after the fact. That night, Thirteen goes into space to destroy a meteor heading for Earth, but is stranded on the moon with no power in the process of saving Earth.
Nagi, Hayate, and Maria go to a Christmas party hosted by Nagi's grandfather. Just like the previous Christmas party, Nagi escapes - this time with Hayate. They head to the park where Nagi tries to make romantic advances on Hayate, but they are interrupted by a mysterious dark butler, Cyborg Butler, and Superintendent Kirika. Hayate is defeated, but they are saved by Himegami, who now calls himself Princess God. The next day, Hayate fails at all his butler chores and Himegami explains it is because Superintendent Kirika drained all his butler powers. In order to keep Nagi safe, Hayate resigns as Nagi's butler and leaves the mansion.
Nagi is despondent over her conflict with Hayate, so she, Saki and Gilbert plan a fake kidnapping in Isumi's house underground. However, things turn bad when a Mecha programmed by Shiori goes crazy, and it is up to Hayate to go rescue Nagi and to recover his butler's status.
Hayate defeats Klaus and Tama by catching Klaus' ribbon when falling off during Klaus' Ultimate Move, leaving the whole public under the impression that he has the power to defeat opponents without even touching them. After numerous retirements from Hayate's opponents and battles through the tournament, Hayate defeats Hinagiku in the finals and fights Shion. After defeating her by discovering her weak point, the Superintendent vows to bring Hayate to her by calling her Dark Butlers League.
Nagi completed an improved version of her manga, but still, no one can understand it except for Isumi. She takes Hayate, Maria, Isumi, and Sakuya out for ramen, but they find themselves in a hidden animation studio where they are shocked to hear that Nagi's manga is going to be animated. The directors declare Nagi's demands to be impossible, but they end up animating it anyways because of a rumor that their stock will go up if they do it. After the premiere one week later, everyone is at a loss for words.
Nagi is planning a celebration party for Hayate for graduating, though gets him to stay out of the mansion for a while by giving him the task of retrieving a small box carrying an item she bought off the Internet. While out, Hayate is offered 150,000,000 yen by a national escort service in order to recruit him into their business and so that he can pay off his debt to Nagi. While thinking this offer over, he loses the box and has to go halfway around the world in order to retrieve it, though by the time he gets back to the mansion its already dark out. Hayate is very grateful to Nagi for the party, and the item he retrieved which was intended for him, and turned out to be a small pocket watch. Hayate later turns down the offer from the escort service, and it turns out that Nagi's grandfather set up the offer in order to test Hayate's loyalty.
Sakuya visits Nagi. Nagi becomes offended when Sakuya tells her she's a brat because she has no siblings and claims she can be a better sister than Sakuya. Nagi orders Hayate to find kids that are lost on her property so she can prove it to Sakuya. Hayate comes back with Itsuki and Shunji, and Nagi plays with them while her SP looks for their parents. Sakuya suspects the kids to be thieves and catches them in the act. Afterwards, Kirika sends the third mysterious butler, Mini Yon, and he challenges Hayate to a Mini 4WD race.
Nagi, still in her hypnotic state, helps organize the second day of the school festival with the help of Superintendent Kirika. They organize their own Comiket where Nagi sells her own dōjinshi. Kirika challenges Hinagiku to see if Nagi's dōjinshi or Hayate's butler cafe can make the most money. When Nagi tastes the cake that Hayate made for the competition, her hypnotic state goes away.
A man appears in Akihabara and begins killing adventurers with powerful Royal Guard equipment. Lenessia is shocked to learn that he is one of the Land people, of the Kunie clan. Akatsuki goes to put a stop to him herself, as the West Wind Brigade scouts find him...Watch Now:Amazon
Wataru notices that Saki is acting strange so he decides to ask Hayate and Maria for help while he's picking up the cursed video that Nagi rented. It seems that Wataru forgot about Saki's seijin shiki and the people who watches the cursed video will be attacked by a giant cockroach. While Wataru is asking Nagi where he could buy a present, Hayate and Maria battle the giant cockroach. Nagi mistakes Wataru's present to be for Isumi so she sends Isumi to Wataru's house.
Operation "Red Night" is canceled and the kids come home to a joyous reunion. They've gotten their magic bags and succeeded in their quest. But a strange man is going around Akihabara asking all the girls to marry him.
Continuing on their way to the Redstone mountains, the gang encounters a mysterious group: the Odyssey knights, a group of players who'll do anything to get back home. Their eyes are strangely lifeless, and they're carrying a strange altar that allows its users to ressurect immediately.
After being added to the bench, first-year Masashi Yuki hits a home run in his first game. Okumura, Yui and Asada, each with their own emotions, are practicing and getting more familiar with the team. The team is preparing for their next game against Ichidai Third High. During practice, Miyuki prioritizes catching for Furuya, which frustrates Sawamura. Having been reproached by Miyuki for clasing with Sawamura, Okumura volunteers to catch for him.Watch Now:Amazon
After being so deeply moved by Setsu's performance, Shuri decides to seriously pursue playing the shamisen. With Setsu at the center, Shuri, Shuri's childhood friends Yamazato Yui and Yaguchi Kaito, and the addition of Nagamori Rai, a fellow student with shamisen experience in a different style, the Tsugaru Shamisen Appreciation Club is formed! But with everyone being new to Tsugaru shamisen, Setsu isn't sure how to approach teaching them, so he ends up...
On the way the school, Hayate and Nagi bump into Hinagiku who is worried about her sister after she gave her New Year's allowance. Yukiji appears, shocking the three with an unusually cheerful attitude, giving Hinagiku a New Year's allowance because of a promise Yukiji made with her 10 year ago (although it was only 500 yen), and shocking them even more after they found a letter of resignation which dropped from Yukiji's bag. When homeroom ends, the class begs Yukiji to stay as a teacher causing Shiori to burst out in tears, who is happy that the class cares for her and decides to not resign. The resignation letter belonged to Shiori who found being Yukiji's superior harder than she thought. Yukiji was happy because she found many signs of good fortune.
As Mashiro informs Konoha about Kobeni and Hakuya's engagement, Hakuya chases after Kobeni, assuring her that he is already engaged to her. When Niko overhears this and asks if they are dating, Hakuya denies it as he wanted to respect Kobeni's wishes about keeping the engagement a secret. Hearing about this from Niko, Konoha believes she is still in with a chance. As Kobeni asks Konoha to keep her engagement a secret, Konoha suggests that if she is against it, she should just break it off. Kobeni cries upon hearing this, and the conversation is soon interrupted by Benio. Later that night, Kobeni assures Hakuya that she isn't against their engagement, which Mashiro interprets as a love confession, encouraging Hakuya to get Kobeni something spectacular for White Day.
Mirai and Yūki are talking in the truck on the way back to their hometown, when Yuuki brings up the subject about his death. She tells him to stop talking about this nonsense, and that she and her parents would cry if he actually died. Once they arrive in their hometown, she sees Mayu, one of her friends from school. They chat, and Mayu tells her that her parents are staying in the nearby elementary school. Her dad is also being hospitalized due to an injury he sustained at work when the earthquake hit. She and Yuuki head over there, and find his best friend, Itsuki. By this time, Yūki has run off. He leads her to her parents, only to find out that her mom went back to the house to get clothing for her father. They walk outside again, and see the marronier that the two boys planted before she and Yūki went to the Odaiba Robotics Festival. Yūki is still nowhere in sight, so the two look for him.
Student Council secretary Konoha Suetsugi feels some hostility towards Kobeni and Mashiro because of their closeness to Benio. Newspaper Club member Niko Ōno offers to help get some dirt on them, though her overenthusiasm proves too much for Konoha to keep under control. Konoha becomes more paranoid as Kobeni keeps walking in on her private outbursts. After having a brief argument with her over Benio, Mashiro suspects that Konoha is part of the same species as they are, with Konoha coming to realise the same thing.
As Mashiro tries to come to grips with Benio's popularity at school, Kobeni continues to try and remember about Hakuya. Later, Mashiro gets spooked at the thought of aliens existing. Meanwhile at school, Mashiro accidentally lets slip to the class that Hakuya is living with Kobeni.
Soramaru wants to be stronger so Tenka can rely on him, so he asks Sosei to train him. But Soramaru has to prove his worth first...
Teruto is down after his fight with Kikka and looks like he's given up on the fight against the King. While Teruto decides to go fishing, Sakura and Hiyoko go out for cake, with the idea of coming up with a plan to get him to regain his spirits.
While Kagami talks to Chutaro, Sosei investigates Gokumonjo. Meanwhile, Soramaru has been having trouble sleeping...