Best result with weight between : 0.8-1.
But to get a 2D and keep most of the details I suggest you to use weight = "0.3:1"
Basic prompts : 1girl, ionemelita, long hair, twintails, drill hair, ahoge, bangs, purple eyes
Outfit prompts : bare shoulders, navel, dress, thighhighs, high heels, clothing cutout
