Just want to add something. since some people think The Feel's just helped Twice in the west. It's likely going to be Twice's biggest hit in Japan since Feel Special as well.
You're not wrong in that the success there helps them maintain relevancy right at the top and the biggest benefits of the song will probably end up being in Japan (especially for touring purposes if it has opened up enough). But it's most likely not going to help Twice in the same way Dynamite did for BTS in Japan (I'd love to be proven wrong here), which I assume is your comparison point here.
BTS were still on a growth path in Japan when Dynamite hit, Twice had their Dynamite in Japan back in 2016 and grew off that for 3 years. Feel Special did well in Japan but it was post Feel Special when sales starting dropping considerably more in Japan and digitally it didn't aid any of their subsequent songs (pre Feel Special Twice picked up 4 number ones on Billboard Japan, post Feel Special they have 1).
Twice are still comfortably the publics favourite in Japan for kpop girl groups and no other gg comes close, this will just cement that.
It'll be interesting to see if The Feels doing well on top of Covid ending can move their sales up again at all.