Amped wrote:Koi no Dance si...Koi wa Accha Acchaa......
https://ameblo.jp/angerme-new/entry-12445292670.html
The MV for Koi wa Accha Accha was shot at "Arverir Geihinkan" in Omiya, Saitama prefecture. It ranked #1 on Oricon's 2018 best wedding house venues. They have many across the country.
banquet room

https://www.tgn.co.jp/hall/omiya/avo/
the cost to rent the banquet room with just 10 people for a wedding party would be 600,000 yen.
They shot a party scene here for the drama Hana Yori Dango.