Nasa goes back to his old job to help out for the day, and it turns into an all nighter. Tsubasa tries not to feel lonely, but not texts or calls all day leave her missing her husband. She can’t sleep that night, so she’s awake at 4am when he gets home. The loneliness has gotten to her, and she asks for cuddles and kisses, which is more than she’s ever asked for before. Nasa happily obliges! Later, a movie that totally isn’t Endgame is coming out, and Tsubasa is dying to see it opening day in the theater so she can avoid spoilers. She and Nasa also prepare by watching a few movies before, and Nasa appreciated how into the story Tsubasa gets.  Nasa and Tsubasa, separately, receive a whole list of what kisses mean when they’re given to a partner on different parts of the body, like the neck, forehead, arm, even the belly *blush*. Later, the two can finally go on a honeymoon, thanks to some raffle tickets to a Hot Springs, but that means they’ll actually be alone … together … on a trip … 

This volume is full of holiday celebrations in the House of the Immortal Dragon. Tatsu decides to wash everything, including the futon, on a day with wonderful weather, but Masa is there to disrupt the plans and challenges Tatsu to a day of having fun and ignoring chores. Then, Tatsu gets mixed up in a rap battle with another ex-mob boss. A local store hosts a costume competition, and the winner gets a Hots Springs vacation, so Miku makes Tatsu participate with her.  Tatsu later gets involved in a Tart-off, a challenge to see who can make the best fruit tart. Miku's parents come for dinner, and Tatsu realized where Miku gets her awful knife skills from: her father. Dad decimates several ingredients while Tatsu helplessly tries to save the food and not offend Dad. Tatsu gets sick and wills his little yakuza cells to fight off the virus while Miku makes a terrible concoction she swears will make him better. Miku, Masa, and Tatsu celebrate New Years, and Miku gets supremely drunk. For Valentine's Day, Tatsu and several other ex-mobsters attend a cooking class to make a beautiful cake.

In a pet store in Japan, many of the young, adorable kittens are quickly adopted, leaving behind the lovable, fluffy, slightly older cat, whose sad eyes beg for a new owner to come adopt him. Kanda, a recent widower, adopts the big guy and provides a loving home for him. Kanda names him Fukumaru, a combination of the words for "luck" and "happiness" in Japanese. Fukumaru is so grateful that he has been adopted that he tries to go into every room with Kanda, which is normally fine until Fukumaru tries to go in the shower with him. He realizes the hard way that there are some places they cannot be together.

Nasa‘s cousin, Ginga, who acts like a yakuza man but he’s really a normal high school student, has his “boys" bring in a feral kitten they found outside their high school. Nasa immediately takes it to the vet to get completely checked out. When the vet asks for his name, Tsukasa offers up "Toast" because the kitten has a lighter square of fur on its back and it’s mostly brown. Once Toast is back home settling in, he starts getting in the way of Nasa getting close to his wife because he's constantly demanding food. Ganga presents Nasa with a wedding present: two tickets to the Land of Dreams, a theme park. The young couple decided to go to the park as a date. Tsukasa has never been and is excited to try everything. They weren’t the only ones who had the idea to come as a date. Nasa's teacher is invited by a colleague who doesn’t know how to confessed his feelings for her.

In this volume’s slices of Tatsu's life: he has tea with a few other housewives and, while he’s recounting his time in the mob, they think he’s talking about his wife, Miku, and think she's hardcore; he helps a young boy with his summer assignments and goes a bit overboard; he gets Masa set up with a bunch of household gadgets from the 100 yen store; a cat burglar (an actual cat) steals a fish from Tatsu and he gives chase; and Tatsu and Miku go to an amusement park but get rained out halfway through their day.

Eniale and Dewiel are an angel and demon, respectively, who are often at odds with each other on borrowing one another’s makeup without asking, or gathering souls for their employers. In one of their apocalyptic fights, they find a baby and search for its mother using means that send humanity into a panic. After destroying their clothes in another fight, the two travel to Paris to replenish their wardrobe, and an exorcist discerns and chases after Dewi relentlessly. A little girl summons both the angel and demon to help her sick mother recover, and it’s a competition to see who can win the little girl over to “their side.” After Eni pisses her friend off completely, Dewi “helps” Eni build the “perfect” hot springs and vows to drain Eni’s seemingly endless supply of money.

The Ezo Ag Festival is finally here, but Hachiken is in the hospital recovering from exhaustion. Thankfully, the rest of his classmates are able to get the Festival off without a hitch thanks to all the preparation work he did, and even Hachiken's brother comes by to pitch in in his brother's absence. We finally also met Hachiken's parents, and it is abundantly apparent why Hachiken decided to go to school so far away from them. After he is released from the hospital, his friends try to fill him in on all the Festival details without making him sad that he missed it all. Later, Hachiken and Mikage go on their date that he promised her, but several classmates had the same idea for a location, and their date becomes less exclusive.

Nasa and Tsukasa still live in the bath house after the destruction to their apartment, so Tsukasa decides she needs to help out with chores around the bath to repay them for their kindness. Tsukasa and Kaname end up getting pretty close and exchanging nicknames. Older sister Aya still hasn’t given her approval to Tsukasa, especially considering she has had a long-standing crush on Nasa, but Tsukasa starts to win her over with her delicious home-cooked meals. It also turns out that both are highly competitive video-gamers, and they challenge each other to many bouts of a new fighting game and a classic shooting game. Later, Nasa tries to plan a date for the two of them, including a stroll in a park where he hopes to hold Tsukasa’s hand and exchange some smooches.

This story follows four young men who are inexplicably very smooth and confident.  But, upon a closer look, each is constantly making small mistakes or misunderstanding folks. These small embarrassments are usually played off in a manner that makes onlookers continue to think highly of each one.  At the end, life brings them all together in a happen-stance meeting at a small pet cafe.

Futaba and Taichi discuss their future plans, specifically what colleges they'd like to attend. Futaba confesses that she would like to do something with flowers, but also knows she's currently not very skilled with growing things. She tells Taichi that she would like it if they could go to college together, but this life-altering decision isn't often one to make based off of a relationship. Masumi runs in to Toma's sister-in-law, Akiko, and the two have a very meaningful conversation about happiness and being accepted by other people. Masumi admits to being a lesbian, and asks if Akiko would be able to accept such a confession from her on child, or even Toma. At the end of the school's festival day, Mami Yagihara convinces Toma to let her do his makeup, in a totally manly way of course. Mami confesses her love for Toma, but says she wants to be friends and not let her feelings spoil their ability to hang out. Toma tells Mami who he's in love with, but there's an eavesdropper who makes sure Toma's confession isn't private.