This one took me a while until I was satisfied enough to post here, I've been experimenting and stuff.

Improvements:

File size 4 times smaller than Release 1!! (dim = 128 -> 32)

Better at retaining artstyle of the base checkpoints used to generate ∆.

More consistent outfit details. Notably, conveys the translucency of her jacket better, and the "power button" mark on the torso of her jacket.

Limitations:

Stockings still may be plain black instead of blue + pink. Adding (mismatched stockings:1.15) to your positive prompt mitigates this.

Tails may appear uncontrollably. Adding (tail, mechanical tail:1.1) to negative prompt may help, but they aren't captioned in the training data. Maybe I should have so they could be separated. Will probably be fixed in Release 3.

Her weapon may appear uncontrollably. This is tagged though, so adding (weapon, sword, holding, holding weapon, holding sword:1.1) to negative prompt mitigates this, but it's not perfect.

From the viewer's perspective, the right side of her jacket may not be black, and instead gets colored white at times. This is gacha and not controllable.

Some limitations with H content due to training dataset all being SFW.

Training Details (w/ bmaltais/kohya_ss; see Training Data File for full LoRA training parameters extracted with kohya-ss/sd-webui-additional-networks)

Trained on: nai.ckpt (925997e9)

Training Batch Size: 2

LR: 0.0007, UNet LR: 0.0007, TE LR: 0.000175, Scheduler: Cosine w/ Restarts

Epochs: 3, Dim: 32, Alpha: 16, Resolution: 512x512, Clip Skip: 2

*EasyNegative in the example images is an embedding from here.