It's called 'Namaiki: Kissuisou e Youkoso! The Animation', I can only find the censored version online, but this gif is clearly from an uncensored version.
MyAnimeList link here: https://myanimelist.net/anime/29808/Namaiki__Kissuisou_e_Youkoso_The_Animation
>>14869103
The gif is from the game, not from a fully animated episode. So no, it doesn't exist.
>>14869306
>>14869103
Actually it's just an edit
http://gelbooru.com/index.php?page=post&s=view&id=3339055