Hestia (Japanese: ヘスティア, Hepburn: Hesutia) is a fictional character who appears in Fujino Ōmori's light novel series Is It Wrong to Try to Pick Up Girls in a Dungeon?

The series is set in the fictional world of Orario, where people join groups called Familia run by gods and goddesses, who serve a range of functions from dungeon crawling to crafting items.

She has also appeared in several official DanMachi related merchandise, and has been the subject of positive reception, with critics focusing on her relationship with Bell, attractiveness, and role in the series.

She is jealous of Bell's involvement with other girls' affairs, including Aiz', but is still in love with him, devoted to protecting him, and helping with his growth, even after learning that he only views her as family.

Although petite, she has been nicknamed the "Loli Big-Boobs" (ロリ巨乳, rori kyonyū) for her large bust size, which makes some of her deity peers like Loki jealous.

[LN 1] Unlike most other deities, Hestia is depicted as energetic and kind, if not slightly childish; and is also willing to form romantic relationships with a member of her Familia, being clearly infatuated with Bell.

Hestia has the kind of captivating charm that innumerable anime girls strive for, but few ever achieve [...] She cares for and worries over the lead protagonist Bell Cranel beyond just seeing him as a love interest.

Theron Martin of Anime News Network labelled the "Hestia Factor" as one of the reasons for DanMachi's success, citing Inori Minase's voice acting, character development, as well as relationship with Bell.

[4] In a review of the series' first novel, Martin further wrote that "Fujino Ōmori's writing skill is actually higher than average [...] By the end of the novel we have a very good sense of who most of the major players are and where they stand, especially Bell and Hestia.

"[5] iDigitalTimes, in a review of the DanMachi anime, found the relationship between Bell and Hestia to be "really touching", writing "she obviously loves him and wants to be with him, not simply as patron goddess but as a lover.

But while quick to anger and jealous to a fault, she is willing to put her money where her mouth is when it comes to supporting Bell — even if that means debasing herself to the point of taking part-time jobs.

[14] Italian restaurant La Ricetta in Zama, Kanagawa features pancakes prepared with anime and video game character art, including Hestia.

[17] Free Hestia blue ribbons were given away in Akihabara, leading Casey Baseel of Rocket News 24 to comment that "anime series Is It Wrong to Try to Pick Up Girls in a Dungeon?, also known by its Japanese nickname Danmachi, looks like the breakout hit of this TV season.

[...] [It] could be the outfit of female lead Hestia, which is inventive even by the already outlandishly sexy standards of anime costume design with its boob-lifting ribbon that's become known as rei no himo, or “The String” among fans in Japan.

[13] This has led to humorous images featuring the string being posted by fans, with the trend having been extended to toys and collectable items, with some pictures showing dolls in a copycat costumes as well as a Lego figure.