Here's three comparisons with marisa/reimu/miku on the publicly available versions of the two Lumina finetunes. Same settings on both. Used Gemma 12b to initially upsample the prompt with this template: https://files.catbox.moe/uw2vrp.txt

Illustrious_Lumina_0.03_ema
1. https://files.catbox.moe/1yu9nj.png
2. https://files.catbox.moe/a8854n.png
3. https://files.catbox.moe/nuvhpq.png (where's miku? it just gave up?)

netaaniluminaAlpha_alphaRound7Ep4S68303
1. https://files.catbox.moe/13iuh2.png
2. https://files.catbox.moe/3oylkt.png
3. https://files.catbox.moe/9kwqam.png