Insomniacs After School

Arata Kaizaki, a jobless adult, undergoes an experiment that makes him 10 years younger. He goes back to high school and falls in love with Chizuru Hishiro, who is more than she seems.

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.

Two people meet each other after missing the last train home, leading to a beautiful relationship over five years.

Hatori Matsuzaki is a female high school student. She has a crush on her childhood friend Rita Terasaka and believes he will eventually choose her as her heroine, but Rita Terasaka begins dating Miho Adachi. Meanwhile, the most popular male student, Kosuke Hiromitsu takes an interest in Hatori Matsuzaki.

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?

Problem student Haru Yoshida sits next to the cold and studious Shizuku Mizutani in class. Without any other friends to turn to, both of them start to get to know each other and grow closer. Haru eventually develop feelings for Shizuku and confesses his feelings to her. Will Haru and Shizuku get their happily ever after?

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.

Two teenage best pals attracted to the same boy end up scrambling his life after he walks into a door and is knocked unconscious.

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

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?

Aoi Nishimori's parents moved to another city for work, but Aoi didn't want to transfer to a new high school. She stays behind and lives in an apartment by herself. Shūsei Kugayama moves in next to Aoi's apartment. Shūsei is a very popular student at their high school. Due to a mistake, Aoi makes the sprinkler go off in his room. Until Shūsei's room is fixed, he stays with Aoi.

Akari Yoshiyama is graduating high school soon and is expected to lead new life after she passes the university entrance exam, while her mother is working as a pharmacologist. However, her mother has a car accident and the situation is totally changed. She decides to go to 1972 to fulfill her mother's wish.

Set one year after the drama series "Moteki." 31-year-old Yukiyo Fujimoto doesn't have money, dreams or a girlfriend. He has left his job at a staffing firm and is attempting to start a new life by working as a writer for a news site. Suddenly, Yukiyo experiences "moteki" - a period when a man becomes suddenly popular with woman. Cute magazine editor Miyuki, pure and naive office worker Rumiko, beautiful shop assistant Ai and beautiful, but tough co-worker named Motoko all become interested in Yukiyo. He tries to calm down, but is shaken by the interests of these women.

Soyo, a student in a school with only six students, develops feelings for the new student, Hiromi, who has moved from Tokyo.

High schoolers Mitsuha and Taki are complete strangers living separate lives. But one night, they suddenly switch places. Mitsuha wakes up in Taki’s body, and he in hers. This bizarre occurrence continues to happen randomly, and the two must adjust their lives around each other.

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.

Mitsuko Kuroda is 31 years old and single. She enjoys her life as a single woman. A big reason why she enjoys her single life is that she has counsellor "A" in her mind, which is her other self. Whenever she does not know what to do, "A" gives her the right answers. She believes her happy and peaceful single life with "A" will continue, but she falls in love with Tada-kun. He is a salesperson and younger than her.

A mentally challenged girl proves herself to be every bit as capable as her "perfect" sister when she moves into an apartment and begins going to college.

Moshimo, Japan. The annual fireworks festival is about to take place and a group of schoolboys, arguing over whether they are round or flat when viewed from different angles, set out to find it out.

Sutter, a popular party animal, unexpectedly meets the introverted Aimee after waking up on a stranger's lawn. As Sutter deals with the problems in his life and Aimee plans for her future beyond school, an unexpected romance blossoms between them.