My High School Business - Season 1

Mitsuyoshi Tada, a boy who has never known love, is taking pictures of the cherry blossoms in full bloom when he meets Teresa Wagner, a transfer student from Luxembourg. Upon arriving in Japan, she got lost, separated from her travel companion. Mitsuyoshi helps her and brings her to his grandfather's coffee shop.

At a high school entrance ceremony, high school student Kotoko Aihara, who isn't that smart, notices pretty boy Naoki Irie. She falls in love with him immediately. Kotoko initially doesn't express her feelings to him, but finally has a chance to tell him how she feels. Unfortunately, Naoki turns Kotoko down, saying "I don't like dumb women." One day, Kotoko Aihara's house is severely damaged by an earthquake. Until the house is rebuilt, Kotoko Aihara and her father decide to live with her father's friend. When Kotoko Aihara moves to her new temporary house, she is surprised to learn that Naoki Irie lives there as well.

Teppei Arima, who lost both of his parents in a car accident is attending the second year of high school. After being adopted by his grandfather Isshin Arima, the mightiest man in japanese economy, he is forced into the position as his grandfather’s successor, the head of the Arima Group. To be prepared for life in high society he has to attend an elite accademy for children of the higher social classes.

Minato is a boy who stopped playing water polo due to a certain incident in the winter of his third middle school year. He picks the sport back up again with a new team when he starts in high school, but the fledgling team runs into many problems.

Considered a genius due to having the highest grades in the country, Miyuki Shirogane leads the prestigious Shuchiin Academy's student council as its president, working alongside the beautiful and wealthy vice president Kaguya Shinomiya. The two are often regarded as the perfect couple by students despite them not being in any sort of romantic relationship.

A former gang member wants to be Japan's best teacher. When he's hired to supervise a class of hopeless cases, it's his chance to prove himself.

Akira Tachibana was once the ace of a track club, but an injury forced her to quell her passion for sports. Masami Kondou, a divorced father, had ambitions of being a writer and now manages a restaurant, where Akira works. It is the intersection of Akira and Masami’s seemingly disconnected lives that makes each of them reconsider and redefine everything about themselves.

Ichiro Sato is about as average as a student can get... except for his above-average ability to land himself in totally awkward, intensely risqué situations with his no-nonsense teacher, Kana Kojima! Ichiro has his hands full dealing with these steamy shenanigans and unexpected encounters in the most unlikely places. At least it can’t get any worse, right?

23-year-old school teacher Aoki Daisuke has a huge problem. One of his students, Kokonoe Rin, has proclaimed herself to be Daisuke-sensei's girlfriend and is now on the warpath to win him over or get him fired.

16-year-old super-studier Nagi Umino, second-year student at the Megurogawa Academy high school, was switched at birth. On his way to a dinner to meet his birth parents, he accidentally meets the brash, outspoken, Erika Amano, who is determined to make Nagi her fake boyfriend as she never wants to actually marry. But once Nagi makes it to dinner, he finds his parents have decided to resolve the hospital switch by conveniently having him marry the daughter his birth parents raised...who turns out to be none other than Erika herself!