Please update Ruffle. Kanzen Koyaku F has Ruffle nightly 2021-02-14. That's from the start of this year! https://69games.xxx/games/kanzen_koryaku_f
Thank you for pointing this,
we just have updated raffle with the latest version (December 22, 2021),
but the issue with this particular game got even worse :(
Meanwhile Ruffle will be fixing this, we recommend to use our Desktop browser for Windows and Mac
https://forum.69games.xxx/adult-games/gamcore-windows-browser/
https://forum.69games.xxx/adult-games/gamcore-browser-for-mac/
Gamcore Browsers work well with all Flash Games,
It is developed by our programmers therefore virus-free!