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Manga / Wasteful Days of High School Girls

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About as deep as high school girls get...

Wasteful Days of High School Girls (Joshikousei no Mudazukai) is a comedy / slice-of-life manga by Bino involving several high school girls in a girl's school.

Three childhood friends, Nozomu Tanaka, Akane Kikuchi and Shiori Saginomiya, end up sharing the same classroom in high school. One day out of boredom, Tanaka decides to give her classmates nicknames based on their quirks. Her friend Sakuchi becomes “Ota” for her nerdy interests, and her other friend Saginomiya becomes “Robo” because of her expressionless personality. In retaliation, her friends decide to name Tanaka “Baka”. These are the ridiculous days of three high school friends claiming (or not) the height of their youth.

Compare with Daily Lives of High School Boys, a manga with similar comedy and tone, but with boys.

It received an animated adaptation in July 2019. Sentai Filmworks holds ex-Asia rights to the anime and will stream it in HiDive, its own streaming service.


Wasteful Days of High School Girls contains examples of:

  • AB Negative: Discussed by Nozomu when she thinks about ways to get a boyfriend. Akane is quick to tell her that it won't work out because Tanaka's O-positive.
  • Blue with Shock:
    • The entire Class 1-2 goes this after their class teacher Waseda—on the first day of school—effective admits he secretly likes high school girls, but he can't make it public without ruining his career.
    • During the stinger of the second episode, Yamai develops this after overhearing mechanical noices coming out from the toilet stall Robo is using.
  • Childhood Friends: Akane, Shiori and Nozomu were buddies in elementary school.
  • In-Series Nickname: Every recurring character has one, mostly given by "Baka" Nozomu. These nicknames were listed next to their names on cast sheets.
  • One-Gender School: Sainotama Girls' High School, as its name implies, is girls-only. Nozomu hates this, as it's more difficult to get a boyfriend. In one of the extra chapters, it's revealed that she enrolled in the school thinking that "Sainotama Girls'" was literally the name of the school, and that it was a coed school.
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  • Schoolgirl Series: This series is a Slice of Life series about several schoolgirls.
  • Slice of Life: About the school lives of about half a dozen girls.
  • Toast of Tardiness: At the first scene Nozomu does this, but with a whole bag of sliced bread. It seems to be a common thing for her, as Shiori gives her a jam-like substance (which is actually some type of marine algae) when they meet.

Example of: