Ayase Yuu never lived up to his mother—a legendary actress whose talent and charisma captivated the entire country. Although people expected him to follow in her footsteps after her death, Yuu turned out to be a completely average boy, devoid of any special abilities. After transferring to the prestigious Saika School, known for educating elite individuals, he is quickly deemed insignificant.
Chidori High School and the neighboring Kikyou are two completely different worlds. The former is a public high school for boys, often boisterous delinquents from poorer families, while the latter is an elite academy for girls from wealthy homes, famous for its pristine image and strict rules. For years, a fierce rivalry combined with deep-seated resentment has persisted between the two schools.
Yuutani Yuu, a first-year student at Fujigasaki Private High School. With her sharp gaze, large earrings, and flashy, two-tone hair, she looks like a genuine yankee, but the truth is entirely different. Deep down, she is a polite and helpful girl whose mind is occupied by only one person—the disciplinary committee chair, Mizutori Atori.
Gojou Wakana has been fascinated by the art of creating hina — traditional Japanese dolls — since he was a child. He inherited this passion from his grandfather, who taught him the craft. Unfortunately, it required total dedication, which is why he had no friends by the time he started high school. There are several girls in his class, and the beautiful Kitagawa Marin, around whom everyone else gathers, seems to lead the group. Wakana treated such people like visitors from another planet—at least until fate crossed their paths. One day, the sewing machine at his home broke down due to its age.
The school relationship between Sakuramori Akane and Houjou Saito is far from the best. Constant bickering occurs between them, even over the simplest trifles. One day, they both receive messages from their grandparents and unexpectedly meet for a joint dinner.
Kamihate Uryuu had a difficult childhood; he lost his parents at a young age and grew up in an orphanage. Despite these hardships, the boy never gave up and is doing everything he can to get into a prestigious medical school. He moves into a shrine at the invitation of the head priest there. However, when he arrives, the priest is nowhere to be found. Instead, he meets three beautiful sisters with completely different personalities.
Inomata Taiki attends a school with a specialized sports program because his mother was an extraordinary basketball player. After joining the badminton team in junior high, Taiki has been an active participant in training. He always strives to be the first one in the gymnasium. However, no matter how early he arrives, he always gets there second, right after Kano Chinatsu, a third-year student on whom Taiki has a crush.
Oohara Takuya and Honjouji Rika work at a travel agency in Tokyo. They rarely exchange a word, and when they do, it often leads to minor misunderstandings. One day, their superiors announce that they are opening a new office in Alaska and are looking for employees to relocate there. At the same time, they point out that if there are no volunteers, they will choose people themselves, starting with the singles.
Yokoya Hitoyoshi is a young high school student living alone, as his family is away from home almost constantly. The boy lacks the motivation to keep his place clean and often suffers from loneliness. One day, a beautiful maid appears at his gate and asks to be hired. As they talk, she eventually reveals that she has worked as a professional assassin since she was a child. However, her employer has retired and recommended she go to the Yokoya estate, which supposedly belonged to his distant relatives.
Amakusa Kanade's life isn't easy. He's afflicted by a curse that prevents him from functioning normally in society. From time to time, he hears a voice in his head forcing him to make difficult and often absurd decisions. Each scenario offers him two options: the first, at best, embarrasses him in public, while the second is even worse. He cannot refuse, as the penalty is an unbearable headache. To make matters worse, these situations almost always occur in public places.
Okumura Masamune becomes the sole member of his high school’s manga club after his senior peers graduate. The boy proclaims his 100% devotion to 2D girls and expresses a complete lack of interest in their 3D (real-world) counterparts. He soon starts to miss the time spent with people who understood his hobby and passion. These reminiscences are interrupted by a knock at the door. When he opens it, he sees an attractive girl who introduces herself as Amano Ririsa and says she wants to join the club.
Kasukabe Hayato returns from Tokyo to his hometown following the death of his grandmother, Sachiko, who raised him. He has inherited the Familia Café Terrace, the café she ran, but has no intention of continuing the family business. Instead, he plans to demolish the building and construct a parking lot.