Nemurubaka: Hypnic Jerks

Haruki secretly had feelings for Akihiko for years, but Akihiko was still in a relationship with his roommate, the violinist Ugetsu Murata. Haruki, Akihiko, and Ugetsu's love clashes and starts to move forward.

Tamako graduated from a university in Tokyo, but she now lives with her father back in Kofu. Tamako doesn't help her father or tries to get a job. She spends her time just eating and sleeping throughout the four seasons of the year.

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.

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

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?

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.

Brash single mother Nikuko is well-known for her bold spirit, much to the embarrassment of Kikuko, her pensive yet imaginative daughter. In contrast to her mother, Kikuko wants nothing more than to fit in as she navigates the everyday social dramas of middle school. Life in the harbor is peaceful until a shocking revelation from the past threatens to uproot the pair's tender relationship.

At a sizable public college, high-minded student Eddy is forced to room with the slovenly Stuart, but the pair strike up a surprising friendship. When attractive co-ed Alex is assigned to live with the two male students because of her gender-neutral name, a roundabout love triangle ensues. Eddy secretly yearns for Stuart, who wants Alex, but she prefers Eddy. The complex situation leads to sexual experimentation and strained relationships.

Unsure of what to do next, 23-year-old Marnie tries her best to navigate life after college. Still partying like there's no tomorrow, Marnie drags herself out of bed for her miserable temp job and can't decide whether she's wasting her time going after best buddy Alex, who doesn't seem to be interested.

In 2008, during the last month of summer before high school begins, an impressionable 13-year-old Taiwanese American boy learns what his family can't teach him: how to skate, how to flirt, and how to love your mom.

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.

The "Torture Club" is an official after-school activity at the private school Saint Honesty Gakuen. Yuzuki has no idea about the club when she enrolls, and gets abducted by the club members and hauled off the club-room. There, she finds out that upper-class student Aoi, her secret idol, is in the club, and decides to join, but…

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.

Daikichi learns that his recently deceased grandfather has an illegitimate daughter with an unknown mother. The girl's name is Rin and she is just 6 years old. Everybody in Daikichi's family looks at the girl as an embarrassment and wants no part of her. Daikichi, annoyed by his family's attitude, decides to raise Rin by himself. Even though Daikichi himself has no experience raising a child and is still single.

Two romantic burnouts, Jane and Will, are immediately drawn to each other at a mutual friend’s wedding. After a disastrous hookup in the coatroom, the two spend the next 24 hours together, trading candid confessions of messy histories and heartbreak, on the off chance that this fling might be the real thing.