: The TV Tropes Page for Tesagure! Bukatsumono provides an excellent breakdown of character archetypes, including Koharu's "Donchiki Tanaka" nickname and Aoi's role as the straight-man of the group.
: This series features Aoi Yukimura as the protagonist. While there isn't a main character named Koharu, the series is a popular mountain-climbing drama. You can find episode details on the Encouragement of Climb Wikipedia page . koharu aoi
In this series, and Aoi Sato are members of the "Tesaguru" club, where they discuss and deconstruct school club tropes. : The TV Tropes Page for Tesagure
: A recent manga that features a character named Koharu . A review and first impression article can be found at Magic Planet Anime , which discusses Koharu's self-worth and her relationship with other characters. While there isn't a main character named Koharu,
: In this Kon Ichikawa-inspired film, Koharu (played by Yu Aoi) is a central character navigating a complicated family dynamic. A detailed review is available at Screen Daily . About Her Brother (Otouto) | Reviews - Screen Daily