Goddess of the Hearth
If you had to hang out with a Greek deity, I’d go with Hestia. She never married, just cooked food, lit fireplaces, took care of travelers, and basically just chilled out at home. All-around cool lady.
    -- The Greek God Family Tree

While the show is apparently ripping through the source material, it’s managing to do so in an entertaining and amusing way, and this Hestia is clearly the patron goddess of Tumblr, Pixiv, Yandere, and anywhere else that cheesecake fan-art is accepted.