High school student Wakana Gojou spends his days perfecting the art of making hina dolls, hoping to eventually reach his grandfather's level of expertise. While his fellow teenagers busy themselves with pop culture, Gojou finds bliss in sewing clothes for his dolls. Nonetheless, he goes to great lengths to keep his unique hobby a secret, as he believes that he would be ridiculed were it revealed. Enter Marin Kitagawa, an extraordinarily pretty girl whose confidence and poise are in stark contrast to Gojou's meekness. It would defy common sense for the friendless Gojou to mix with the likes of Kitagawa, who is always surrounded by her peers. However, the unimaginable happens when Kitagawa discovers Gojou's prowess with a sewing machine and brightly confesses to him about her own hobby: cosplay. Because her sewing skills are pitiable, she decides to enlist his help. As Gojou and Kitagawa work together on one cosplay outfit after another, they cannot help but grow close—even though their lives are worlds apart.

Departing from their respective hometowns, two young women with identical names are brought together in their pursuit of new beginnings. With their hearts set on going to Tokyo, Nana Komatsu dreams about blissful love, while Nana Osaki aims for a successful music career. The former has a cheerful and friendly nature, but her naivety has steered her romantic life astray until she meets her dependable boyfriend—Shouji Endo. Without letting herself be dismayed by Shouji's decision to study in Tokyo, Nana works hard to earn enough money and follow him there. Meanwhile, her namesake is a solitary punk vocalist whose impassioned romance with her band's bassist, Ren Honjou, comes to a sudden end. Though heartbroken, Nana bravely looks forward and travels to the capital with the ambition of becoming a recognized artist. Shortly after they arrive in Tokyo, the girls cross paths again due to an unexpected coincidence that ultimately leads them to live under the same roof. As they grow closer, the two strive to support one another amid their struggles to forge a future for themselves.

Otonokizaka High School is in a crisis! With the number of enrolling students dropping lower and lower every year, the school is set to shut down after its current first years graduate. However, second year Honoka Kousaka refuses to let it go without a fight. Searching for a solution, she comes across popular school idol group A-RISE and sets out to create a school idol group of her own. With the help of her childhood friends Umi Sonoda and Kotori Minami, Honoka forms μ's (pronounced muse) to boost awareness and popularity of her school. Unfortunately, it's all easier said than done. Student council president Eri Ayase vehemently opposes the establishment of a school idol group and will do anything in her power to prevent its creation. Moreover, Honoka and her friends have trouble attracting any additional members. But the Love Live, a competition to determine the best and most beloved school idol groups in Japan, can help them gain the attention they desperately need. With the contest fast approaching, Honoka must act quickly and diligently to try and bring together a school idol group and win the Love Live in order to save Otonokizaka High School.

Ten-year-old Sakura Kinomoto is an ordinary fourth-grade student living in Tomoeda until, one day, she stumbles upon a mysterious book of cards titled The Clow. Pondering over her discovery, she unintentionally causes a magical gust of wind to scatter the cards all over town. The accident awakens the Beast of the Seal—Keroberos, nicknamed Kero—who tells Sakura that she has released the mystical Clow Cards created by the sorcerer Clow Reed. Due to each Card's ability to act independently and their incredible power, Clow had sealed them away. Now that they have been set free, the Cards pose great danger to the world, and it is up to Sakura to put an end to them. Appointing Sakura as the Cardcaptor and granting her the Sealed Key, Kero tasks her with finding and recapturing all the Clow Cards. Alongside her best friend Tomoyo Daidouji, and with Kero's guidance, Sakura must learn to balance her new secret duty with the everyday troubles as she takes flight on her magical adventures as Cardcaptor Sakura.