The previous chapter shows that theWhat is September 2027? why was that billboard highlighting it?
They are called Designer. Starman is another gray from Astrological Observer chapter 147.The previous chapter shows that the starmen had been resetting the world to avoid the "worst possible future"
From previous chap with what Yume talked with Designer/Star-face-man, Gray wasn't over the top world destroying in the first place, however one Gray somehow manage to stay alive for so long it directly or indirectly causing every other grays to become more powerful.
While stopping said "starter" gray ended up not really wipe out Gray entirely, it still helps to manage them to stay in manageable level.
Despite everything, I guess in technical sense, Yume truly become the "strongest gray" keeping her power to pretty high level (not as peak as Post-Hama-Assassinated arc, but who would like that to happen?)
I was thinking about it thoroughly myself and I'm starting to understand what had happened, albeit it was hilariously in a dream. Yayoi Kokuryu was "the first ghost"/grey mentioned by the Designer in chapter 240, page 1 and thus the cause of all the grey that destroyed humanity being so overpowered due to how long it has lived for. Due to Yayoi having been killed by the cursed video tape, the Designers were able to safely restart without Yayoi this time around. Thus, the grey only appear in those heavily affected by emotions.In the end Yume managed to complain about how bad the humanity-destroying monsters stank so many times that the Designers issued a patch for the world that absolutely nerfed them into borderline powerlessness. The moral of the story is that when things are imba you should air your grievances early and often; sometimes you'll end up pleasantly surprised.
Loved every chapter, loved the ending, love the author and scanlators for bringing us here.
Now to wait for the Daidai epilogue.
Apparently, it's quite popular in Japan (within its niche, of course, but still) and hit 1st place in MangaONE's rating this month (which is basically a metric that shows user interest/support), which, as far as I understand, is a very good sign for the publisher that this is a work worth marketing.Sadly I doubt it will get an anime adaptation due to how "niche" it is.