Satomi is fine being alone until an AI named Shion joins her class with a song and a promise to make her happy. While Shion’s musical numbers and princess gowns don’t quite pass as human, her antics bring Satomi closer to four other classmates. Together, they make memories worth saving, but even our most precious data can be erased.

Devoted to her family’s rice-cake–making business and the high school baton club, Tamako is a little slow when it comes to love. She’s oblivious to her childhood friend Mochizo’s affections, even though all their friends know. With graduation closing in and Mochizo leaving for Tokyo, will Tamako realise her feelings and tell him in time?

Yuuta and Rikka are in their third year of high school. One day in Spring, Touka declares that she will take Rikka to Italy with her, as her job has stabilized there and thinks they should migrate together as a family. Touka is also worried about Rikka not being competent enough to advance to universities in Japan. The gangs from the club suggested Yuuta, who doesn't want to be separated, to elope with Rikka!! A runaway drama throughout Japan begins.

When five lovely young girls who hate studying hire part-time tutor Futaro, he guides not only their education but also their hearts. Time spent has brought them all closer, with feelings growing within the girls and Futaro. As they finish their third year of high school and their last school festival approaches, they set their sights on what’s next. Is there a future with one of them and Futaro?

Middle school freshmen Haruka and Makoto join the school swim team, and have to join forces with their new teammates to win.

Summary of the first season of the show, as seen from Rikka's perspective with new elements.

An urban legend says that lighting fireworks at an abandoned airfield will beckon the "summer ghost," a spirit that can answer any question. Three teenagers, Tomoya, Aoi, and Ryo, each have their own reason to show up one day. When a ghost named Ayane appears, she reveals she is only visible to those "who are about to touch their death." Compelled by the ghost and her message, Tomoya begins regularly visiting the airfield to uncover the true purpose of her visits.

While sorting through a mess of books in the staff room, Ohana happens upon one of Denroku's log books from long ago. Within it, it recounts a story of Ohana's mom when she was the same age as her.

A young girl had her voice magically taken away so that she would never hurt people with it, but her outlook changes when she encounters music and friendship. Will Naruse be able to convey the anthem of her heart?

Following Natsuki Enomoto's confession rehearsals with Yuu Setoguchi, their younger siblings Kotarou and Hina struggle to confess their own love. Despite a disastrous first meeting in middle school with her upperclassman Koyuki Ayase, Hina’s heart is captured by his warm smile. Initially confused by these newfound feelings, Hina soon realizes that she has fallen in love for the very first time. Chasing after her brother Yuu and her crush Koyuki, Hina also enrolls in Sakuragaoka High School; but the threads of love are far-reaching, and they entangle Hina and her friends. Boisterous but sensitive, Hina hopes to confess her feelings to the tender-hearted Koyuki. Meanwhile, Kotarou, oblivious to his own feelings for her, is determined to always keep Hina smiling. This movie follows Hina, Kotarou, and Koyuki in high school. Their youthful love forges new relationships, but also threatens to break others.

Misuzu Moritani is an introvert who has always had difficulty interacting with her classmates, quickly becoming flustered whenever someone tries to talk to her. Sometimes, she will use her ability to stop time for three minutes to escape troublesome social situations. One day, as Misuzu watches the suspended environment around her, she observes that her classmate, Haruka Murakami, is somehow able to move despite her temporal influence. From that moment on, Misuzu experiences new wonders as she explores more of the world she has long avoided; no matter where time may take her, Misuzu can count on Haruka to always be at her side.

As the perpetually lecherous Ataru and his friends prepare for a carnival at Tomobiki High School, they gradually realize the days are literally repeating themselves. Any effort to break the pattern dumps them back where they started.

Kyoko, who couldn't believe anything in the world and lived a desolate life, meets Katsuya Honda, who has been assigned as an educational trainee. She is at the mercy of Katsuya, who is rude and has a strong habit, and she is gradually attracted to her. However, she is disowned by her parents in the wake of an incident with her bad fellow. It's a punishment that I've been doing as much as I like. Katsuya appears in front of Kyoko who thinks so...

Ai, a self-reliant girl who moves to Animal Village and works at Nook's Cranny, gradually becomes part of the community with guidance from its residents and embarks on a quest to plant pine trees for a Winter Festival miracle after finding a message in a bottle.

Twenty-six-year-old Hiroto Suwa; his wife, Naho; and their old high school classmates—Takako Chino, Azusa Murasaka, and Saku Hagita—visit Mt. Koubou to view the cherry blossoms together. While watching the setting sun, they reminisce about Kakeru Naruse, their friend who died 10 years ago. Mourning for him, they decide to visit Kakeru's old home, where they learn the secret of his death from his grandmother.

Takagi and Nishikata’s final summer in junior high is about to begin, and it’s already off to a heartwarming start! When the pair find an abandoned kitten, they decide to work together and take care of Hana, their adorable new companion until they can locate its missing mother.

In Fujisawa, Sakuta Azusagawa is in his second year of high school. Blissful days with his girlfriend and upperclassman, Mai Sakurajima, are interrupted by the appearance of his first crush, Shoko Makinohara.

After transferring to Ishinomori Middle School, Tetsuko "Alice" Arisugawa overhears her classmates discussing a strange rumor. The previous occupant of her seat, a nondescript "Judas," is missing and presumed murdered. Amidst dealing with her mother's undesired meddling in her affairs and warding off her classmates' bullying, the troubled Alice starts to investigate the mystery surrounding Judas' disappearance. The trail of clues leads her to the house of her next-door neighbor, the quirky and reclusive Hana Arai.

A bored trio of high school delinquents start a rock 'n' roll band together. They have no skill, money, or even a full set of drums, but are determined to jam out and impress their only friend.

Love is blooming at Sakuragaoka High School. Natsuki Enomoto has finally mustered the courage to confess to her childhood friend, Yuu Setoguchi. However, in the final moments of her confession, an embarrassed Natsuki passes it off as a "practice confession." Oblivious to her true feelings and struggling with his own, Yuu promises to support Natsuki in her quest for love. While Natsuki deals with her failed confession, fellow classmate Koyuki Ayase struggles with his own feelings for Natsuki. Despite his timidness, he is determined to win over her heart. This movie follows Natsuki as she dreams of one day ending her practices and genuinely confessing to Yuu. Meanwhile, close friends also find themselves entangled in their own webs of unrequited love and unspoken affections.