AIの偏見
Girls with teddy bears tend to look cute. Girls with swords tend to look intimidating. Niji takes in the subject matter’s bias into consideration when bringing concepts to life. We can see this when we select different region sizes to vary: niji will try to make the girl younger and more vulnerable when there’s a teddy bear in the picture.
https://gyazo.com/19a23dfd87601d7ddcdfa268ee736bce
Many times, this is useful: After all, niji’s primary function is to fill in the details on a nebulous concept.
However, what if you already had an intimidating character in mind? What if you want this to be a gap moe moment in your story, where she reveals her cuteness? Then, niji’s recommendations act against your desire.
Now, with vary(region), you can take greater control over your own connotation.