Nagi is playing her fierce video games until Maria instantly unplugs the TV. One morning, Nagi inadvertently awakens early at the Sanzenin Mansion and discovers how the early mornings can be so delighted. She follows a scent of cooking and found Hayate in the kitchen. After eating breakfast, Nagi tries not to get sleepy by doing some exercise which isn’t easy for someone of her lifestyle. At Wataru Tachibana's video store, Nagi purposely rents an R-18 naked DVD mix with a stack of random ones; however, when she presenting it to Shiranui in her tree house Nagi found out she had grabbed an R-18 horror DVD by mistake. Ending up watching the whole film Nagi becomes terrified and begs Hayate to stay by her side all day until she’d fallen asleep, and Hayate whispers her a good dream that suppress her fears. Maria also watches the film and its déjà vu. Shifting back at the Violet Mansion, Nagi confined herself from going to school on a soggy day. Hayate tries to persuade Nagi by using advice to motivate her. Maria lends Nagi some money saying it represents life. This finally inspires Nagi to go to school together with Hayate admitting that morning days are interesting.
At Hakuou Academy, Risa discusses with Hayate about why people recently been calling them the "idiot trio". Izumi and Miki thrash out then start arguing together with Risa, they decided to find results on who's the smartest of the three by creating an interesting film. Hayate follows Izumi firmly to where she’s recording a plant growing, but accidentally kills it. Next, Miki shows them some eggs she’s waiting to be hatch; however, Hayate corrects her that unfertilized eggs will never hatch. Last, Risa presents a contraption that sets off balloons, but failed to notice them flying away without recording. In the end, it became clear to Hayate that the three are idiots. Thinking about yesterday, the trio are in session alone then again rather study on how to be popular. Hayate comes to check on them, and Risa tries to force him into doing something shameless to Izumi for the cute and blush research. Later, Izumi does cleaning duty as punishment for being careless of the paper that Yukiji gave her to take to the class. She puts on an embarrassing act using Miki's video camera until Shiranui scares her, and then Izumi heads home forgetting to delete the video. The episode ends showing Hayate has taken the memory card from the camera.
Liver and Bulat engage in a battle, while Tatsumi fights Nyau. Liver unleashes his Teigu, Black Marlin, which manipulates and controls preexisting liquid, and lands some attacks on Bulat, causing the latter's Incursio armor to gradually lose strength. Liver notices Bulat's determination despite this growing disadvantage and uses a special attack that finally wears out Incursio. Now without Incursio, Bulat decides to engage Liver in a sword fight. Liver tries recruiting Bulat to Esdeath's army, but he refuses, realizing that his former general's views have changed. The two fight, and both eventually wound each other. Mortally wounded, Liver reveals before dying that the reason he joined Esdeath is simply because he admired her. Though victorious, Bulat finds that his wounds are poisoned from a last-resort attack inflicted by Liver. He subsequently entrusts his Incursio to Tatsumi so the latter could use it against Nyau, who taunts Tatsumi and doesn't believe he will be compatible with the Imperial Arm. However, Tatsumi proves to be compatible with Bulat's Incursio, and with it, he kills Nyau. Despite Tatsumi's victory, Bulat succumbs to his wounds, and Tatsumi mourns for his mentor. Elsewhere, a girl, Kurome, is informed that she has been chosen to be a part of a new group, and she believes this could be a chance to see her sister again.
Sanematsu wakes up in Osomatsu's world as the seventh Matsuno brother. After spending several weeks of happiness with the siblings, Sanematsu eventually realises it was all a delusion he had been experiencing after ending up in a car accident. Jyushimatsu, Iyami, and Hatabou go on an expedition to find a Super Mongolian Death Worm. Choromatsu changes up his image by dying his hair brown, making it hard for his brothers to tell him that it's doesn't actually make him look cool.
The brothers get rowdy while getting drunk at a restaurant. Unemployed office lady Totomi ends up taking a job at a strange establishment that offers some peculiar services. After being visited by a salesman, Matsuyo contemplates sending off one of her sons to a NEET correctional facility, asking Choromatsu to help her decide which one to send away.Watch Now:Amazon
Wanting to become the main protagonist of the franchise again, Iyami holds a bizarre kart race to determine who the protagonist of Osomatsu-san will be.
Noticing Matsuzou acting strangely, the siblings discover that he is worried that there's not enough spark in his marriage with Matsuyo. Feeling he should return to a more innocent time, the boys give Matsuzou a masterlcass in being a virgin, albeit with no success. Matsuzou inevitably resorts to getting a love potion from Dekapan, but ultimately decides against using it, managing to sort things out with Matsuyo by himself.Watch Now:Amazon