団地妻のFantiaYT Ad Speedup - Skip Ads Faster – 🦊 Firefox (ja) 向け拡張機能を入手
https://addons.mozilla.org/ja/firefox/addon/yt-ad-speedup-skip-ads-faster/
Firefox版来た 
YT Ad Speedup - Skip Ads Faster – 🦊 Firefox (ja) 向け拡張機能を入手
https://addons.mozilla.org/ja/firefox/addon/yt-ad-speedup-skip-ads-faster/
Firefox版来た