Shows like wasteful days of high school girls

Wasteful Days of High School Girls (女子高生の無駄づかい, Joshi Kōsei no Mudazukai) 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 ten tankōbon volumes by Kadokawa Shoten as of December 2022. 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 on December 24, 2021.

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.