/vt/ - Virtual Youtubers

Wow anons this is really weird, can someone explain this phenomenon to me? I think I discovered something odd.
So hear me out, this generation right here is done by following prompt
"1girl, absurdres, aqua eyes, arm up, armpits, blush, braid, breasts, chest belt, colored inner hair, crop top, earrings, fishnets, fiyaa (pakkoshii), french braid, gloves, grey hair, hair ornament, hairclip, highres, hololive, hololive indonesia, jewelry, large breasts, legwear under shorts, looking at viewer, midriff, navel, official alternate costume, pantyhose, pavolia reine, presenting armpit, shorts, simple background, sleeveless, solo, virtual youtuber"

Nothing out of the ordinary, but if I remove the commas and add "_" instead of spaces in tags, the generation becomes this.
Same seed, same amount steps, euler a. It becomes this
https://files.catbox.moe/8qvjyn.png

"1girl absurdres aqua_eyes arm_up armpits blush braid breasts chest_belt colored_inner_hair crop_top earrings fishnets fiyaa_(pakkoshii) french_braid gloves grey_hair hair_ornament hairclip highres hololive hololive_indonesia jewelry large_breasts legwear_under_shorts looking_at_viewer midriff navel official_alternate_costume pantyhose pavolia_reine presenting_armpit shorts simple_background sleeveless solo virtual_youtuber" Basically straight up scrape from gelbooru.

Why? What causes that? Does anyone know? I guess the tags just blend and this is the result? How come its way better than the spaced out version? Im so confused.