"Difficulty names in a beatmap must be clearly progressive and accurately indicating of their respective difficulties"
This does not apply to the top diff. Usually something like "Hard/Insane/..." is used, though custom difficulty names are also allowed as long as it follows an easy to understand pattern that is not misrepresentative.
They don't really seem to be that strict in terms of diff names. There are multiple examples of ranked mapsets which don't really follow this guideline (e.g. https://osu.ppy.sh/s/873811 , https://osu.ppy.sh/s/1209835 and most notably https://osu.ppy.sh/s/1279298 ). And for the topdiff name, I'd say that's completely fine since it's notably different from the other difficulty names, which is suiting because it makes sense to make the hardest diff stand out. So yeah, I don't think that the diff names are that big of a problem on this set.
all of the maps you mentioned have their two top diffs with varying names which sort of make sense I would say, though debatable for sure. This mapset right here has absolutely no pattern in its diff names that would show an increase in difficulty. And yes, the topdiff name would be fine - if the other diffs would follow some sort of pattern
"This mapset right here has absolutely no pattern in its diff names that would show an increase in difficulty." - That's true, but the same applies to the topdiffs if the sets I mentioned. "Something That Doesn't Exist" doesn't sound more or less difficult than "Turtle Unicorn", same with "Korone" and "Okayu". (and on quaver the 2 topdiff names are just the same except for the GDer's name) It's pretty much a grey area, but personally, I think that you could get a map with these diff names ranked.
so I just looked through the ranking criteria again and it's not such a grey area after all. Turns out, if you have multiple top diffs that are close in difficulty the "Difficulty names in a beatmap must be clearly progressive and accurately indicating of their respective difficulties"-rule is also not in place. So your mentioned maps are fine, this one is not, case closed (see https://osu.ppy.sh/wiki/en/Ranking_Criteria#rules.1 the 5th key point, 2nd subitem)
If you intend on ranking, you need to make a Hard diff for your lowest diff since the map is 4:03. Also pay attention to a consistent difficulty spread.
see https://osu.ppy.sh/wiki/en/Ranking_Criteria#beatmap
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definitely deserve to be ranked, it's really fun to play for those who mainly play stream maps and the song is good as well
So good, I've been waiting for an easier amp on this song for so looooong, I LOVE THIS MAP <3
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