It sounds like you’re referring to the adult visual novel Natsu ga Owaru made (also known as Natsu no Owari ), specifically its animated adaptation and the “Repack” version commonly distributed by piracy groups or repackers like FitGirl, GOG (unofficial), or other scene groups.
“Natsu ga Owaru made / Natsu no Owari The Animation Repack” is a convenient, if unofficial, way to watch a melancholic summer-themed adult OVA. Just approach with awareness of its content and origin. natsu ga owaru made natsu no owari the animation repack
It usually bundles all episodes of the Natsu ga Owaru Made series, ensuring viewers get the full narrative arc without hunting for separate volumes. It sounds like you’re referring to the adult