Images with a central theme of highlighting odd or disliked fashion choices by Hecatia Lapislazuli. This can include her default clothing, alternative clothing, or someone else being the victim subject of Hecatia's fashion sense.
More recently, this has extended to Tenkajin Chiyari, who appears to wear clothing of the same brand. It's often assumed that the 'Welcome to Hell' clothing Chiyari wears is a brand made or supported by Hecatia herself.