Not a solid lora, don't get hopes up too much. I had a fairly small sample size, a lot of the concepts I tried to get it to do didn't work well (or in the case of two people in the net, it's very difficult to get it working). BUT it can at least do one character in the net decently and I don't think there's much else like it so I think it's still worth sharing for that reason. Not even gunna bother with formatting this description too much lol.

Lora Weight 0.8, Clip Skip 2

Don't recommend increasing it beyond 0.8 much or it'll impact the style, it's better to emphasize tags like: (net together:1.5) for example. Anyway, let's get to those tags.

Trigger Word: inanet
Reinforcements: net, in net, trapped, trapped in net, caught
Suspended Net: suspension, suspended in midair

Grounded Net: groundednet

(The above doesn't seem to work all that well in Hassaku but maybe in other models, I only tested with Hassaku really.)

Human vs Feral In Net: humannet OR feralnet

(Maybe not needed)

Type of Net: stringnet OR ropenet, rope, rope bondage

('rope bondage' might be optional)

Position Inside Net (Facing Viewer or Not): frontnet OR sidenet

(Not sure it works)

Net Square Size: netsizex OR netsizey

('netsizex' for small net squares, 'netsizey' for larger. Might not work.)

Shared Net: 2girls, multiple girls, net together OR 1girl, 1boy, hetero, net together

(Works but with great difficulty. Lots of missing or conjoined limbs. I suggest in negatives having '(conjoined:1.5), (amputee:2)' and even then it's rough.)

Extras: skindentation

Also There's 'smallnet' with the goal of a net that holds only the ass region of the character like a chair of sorts but this didn't seem to work from my testing.

Negatives: feet outside net, feet out of net, feet through net

'fishnet' might also help?
Also usual things like: watermark, logo, patreon, text

Potential for a neat lora, someone can maybe make a better one. This one though works for one person in a net which was the initial idea although two people in a net would be great to have too. It's a challenging one though given the AI will struggle with all these lines overlapping the characters (the nets and the characters themselves overlapping each other). But yeah, even with one character their legs might end up going through the net and having a sort of 'fishnet' pattern over them.