is a Japanese manga series by Bino, serialized online via Niconico Seiga, Comic Newtype, and pixiv Comic websites since 2014. It has been collected in sixteen tankōbon volumes by Kadokawa Shoten as of June 2026. An anime television series adaptation by Passione aired from July to September 2019. A live-action series aired on TV Asahi from January to March 2020.

On June 9, 2021, it was announced the manga would go on a hiatus after the author Bino gave birth to her first child. The manga resumed the same year on December 24.

Plot Nozomu "Baka" Tanaka, Akane "Wota" Kikuchi, and Shiori "Robo" Saginomiya are three childhood friends studying at the same high school. Nozomu, feeling bored and never being good at academics, decides to give nicknames to all their classmates, including Akane and Shiori, basing them on their respective personalities. The three and the others live out their high school lives, befriending their classmates and getting to know about their traits, interests, and quirks, seeing that there is more to school than just studying.

Characters The names and nicknames of all the characters are puns and allusions to the central "quirk" of their personality. For example, the name Lily is a hint of a lilies, whose Japanese title "yuri" is also used to refer to lesbian love in Japanese pop culture.

Portrayed by: Yui Okada (2020 drama) Nozomu is the series' protagonist possessing a stupid and annoying behavior that her close friends call her "Baka", meaning "idiot" in Japanese.

Portrayed by: Yuri Tsunematsu (2020 drama) Wota is an aspiring manga artist and a fan of yaoi media. She develops feelings for her teacher Waseda, but denies it. Wota also listens to the music of the Vocaloid producer Teishotoku-P, unaware that he is actually Waseda.

Portrayed by: Yurika Nakamura (2020 drama) Robo is an emotionless smart girl who aspires to be a microbiologist. She is childhood friends with Baka and Wota, whom she met while in elementary school. Robo went to the same middle school as Majime.

Portrayed by: Mei Hata (2020 drama) Loli is a short girl with the height of a primary school student. Her appearance is ironically combined with childhood innocence, which is why she is constantly becoming a victim of "adult" misunderstandings. Loli lives with her grandmother as her parents are working overseas in Germany.

Portrayed by: Momoko Fukuchi (2020 drama) Yamai is a girl with a chunibyo personality who dyed her hair blonde. She often talks to Waseda regarding her thoughts and plans.

Portrayed by: Nana Asakawa (2020 drama) Majime is a tomboyish yet shy girl who is incredibly popular with others due to her masculine appearance, but does not notice it herself because of her social clumsiness. Thanks to her outstanding, logical thinking, she is incredibly talented in mathematics, but completely ignorant in ordinary human relationships at the same time. As a result, Majime admires Robo very much, who she also considers smart and sociable.

Portrayed by: Ayaka Imoto (2020 drama) Majo is a student who rarely comes to school and who has an interest in the occult. She has a twin sister named Kohaku.

Portrayed by: Yui Kobayashi (2020 drama) Lily is a half-Austrian transfer student. Her role in the plot is a parody of lesbian characters, which is unclear how much this is connected with her real sexuality or just phobia for men. Deep down, she becomes one of the most popular girls of their school, but her life is often complicated due to the quirks of other characters.

Portrayed by: Keita Machida (2020 drama) Waseda is the class' homeroom teacher. He is only attracted to female university students. He also regularly has consultations with Yamai. A running gag involves his glasses breaking when Yamai mentions something regarding her chunibyo behavior. Outside school, Waseda is secretly a Vocaloid producer who goes by the name .

Portrayed by: Nazuna Iseri (2020 drama)

Portrayed by: Noa Kita (2020 drama) Kohaku is Majo's twin sister who is completely the opposite of her.

Nora is a high school girl with poor social skills. She lives alone due to a desire to own cats, which could not be done in her parents' residence. Nora also works part-time as a convenience store clerk.

Hime is high schoolgirl whose family runs a shop. She is known at school for keeping a cute personality and often posts videos about fashion online. When Hime was in middle school, she was frequently bullied for having an unattractive appearance. Hime met Baka, who gave her the nickname "Hime" and helped inspire her father to improve their restaurant business, which was failing at the time.

Portrayed by: Risa Naito (2020 drama) Shiikyon is the school's nurse on duty and fellow of Yamai.

Portrayed by: Hikomaro (2020 drama)

Portrayed by: Ryo Yokoyama (2020 drama)

Media Manga The manga series began serialization on the Comic Newtype website in 2014. It has been collected into 16 tankōbon volumes as of June 10, 2026.

Anime

An anime television series adaptation was announced on November 1, 2018. The series was animated by Passione and directed by Hijiri Sanpei, with Takeo Takahashi as chief director, Masahiro Yokotani handling series composition, and Sachiko Yasuda designing the characters. Tomoki Kikuya composed the music. The series aired from July 5 to September 20, 2019, on AT-X, Tokyo MX, TVA, KBS, SUN, and BS11. Chinatsu Akasaki, Haruka Tomatsu, and Aki Toyosaki performed the series' opening theme song as well as the series' ending theme song .

Drama

A live-action drama series premiered on TV Asahi on January 24, 2020. The series' theme song is "Starting Over" by Little Glee Monster. Title Original air date

Reception Gadget Tsūshin listed both "interesting woman", a phrase from the first episode, and Yamai in their 2019 anime buzzwords list.

References

External links Wasteful Days of High School Girls at Comic Newtype

Drama official website