As a teenager I loved Fade by Robert Cormier. Fade is a creepy story about a teenage boy who learns he has inherited the superpower of invisibility. If I read it again today I’d probably find it even more creepy than I did then — stalking is sexualised, women are objectified, etc. Time puts a new spin on that story.
Fade is an example of literal invisibility in storytelling. This is invisibility as a kind of wish fulfilment; what would you do if no one saw you do it? Personally, I would enjoy walking at night in summer, free from high UV, harsh Australian sunlight and street harassment.
When women on Twitter were asked what they’d do if men had a curfew in October 2018, many answered the same: We’d go outside and enjoy the freedom. Turning invisible would be similar, and I think it serves the same basic wish fulfilment: The wish to move freely in the world.
In storytelling, invisibility is a fairly common trope, but it doesn’t always serve this exact purpose. Writers use it in a variety of different metaphorical ways.