Kotaro’s classmates balk when his entire family shows up on the first day of high school. Just when he’s sure this embarrassment will lead to his social exile, Kotaro’s family wins hearts through charm, surprising sports skills, and…desserts?! There’s never a dull moment as the Ietani family tries to fit in at school!
Despite being only eight years old, Haruka is just as grown-up as her teenage classmates—and she wants them to know it! The whole family faces exam stress, but naturally, only genius Haruka has it easy… Then, when Kotaro, Ichiro, and Shizuka get their academics in order, they reach for their next high school milestone—club sports!
Kotaro and Haruka take on part-time jobs while Kotaro’s classmate Nobukatsu Takebayashi appoints Shizuka as his new mom. Then, Ichiro must escape his former coworker Tatsuya Aoyama when he tries to kidnap him and take him back to his old company! Kotaro also realizes he’s made a tragic mistake after joining the tennis club to get the girl…
On a trip to the countryside, the Ietani family tries to explain their academic situation to confused grandparents. Kotaro then blurts out his feelings for Yumiki to the tennis team, and Ichiro and Suzaki’s volleyball rivalry takes a dangerous turn at the beach. From gaming to festivals, the high school family makes the most of summer!
A birthday surprise for Haruka begins a string of hijinks celebrating the Ietanis… The now nine-year-old high schooler then settles into her role as a shogi prodigy, but she’s not the only one with emerging talents. Since when do the Ietanis also have a genius barista and a pastry chef?!
Bad boy Shibuya is back at Happee High and reclaiming his place on the volleyball team. With a little guidance from a group of housewife volleyball players, Shibuya and Ichiro hope to take the Happee team to nationals! Meanwhile, Yumiki tries to find the perfect gift to show her appreciation for Kotaro. Something subtle, but not too subtle…
It’s been a year since the Ietanis started high school, and it’s time for the whole family to move up a grade! For Ichiro and the volleyball team, that also means parting ways with current team leadership at graduation and recruiting promising new players at first-year tryouts. Plus, to Haruka’s delight, a first-year girl, Aoi, visits the shogi club. However, Aoi has a dark secret…
Feline high schooler Gomez strikes up an unlikely friendship with Kayama and Kina, two fiercely independent delinquents from infamously gang-infested Nastee High. Ichiro’s attempt to set this cool cat back on the straight and narrow falls on deaf ears, but what will happen when rumors about Gomez spur Nastee High’s Big Four to launch an all-out attack on Happee High?!
Two summers after becoming a high schooler, Ichiro walks the halls of Tovota Motor Corporation once again. Aoyama is overjoyed by his former coworker’s return, but it’s too soon to celebrate—Ichiro is only visiting as a student on a field trip! Aoyama still holds out hope and uses every stop on the tour as an opportunity to recruit Ichiro as a “new” hire!
The Ietani family is off on their class trip to tropical Okinawa! Desperate to keep this once-in-a-lifetime occasion from turning into a slideshow of nonstop family vacation memories, Kotaro decides to do something drastic—like finally asking out his crush, Arisa Yumiki. But class president Yashiki, who has her own crush on Kotaro, overhears the pair’s plan to meet up alone. Is Kotaro’s big confession about to be derailed?!
Two years ago, Kotaro Ietani started high school in the same class as his entire family. Now he begins his final year of high school…in the same class as his entire family. Another year flies by, capped off by the high school family’s graduation! This final volume includes three brand-new bonus chapters covering the Ietanis’ third year of high school and beyond!