The sound design is a hidden star. The constant hum of an old refrigerator, distant traffic, and the clack-clack-clack of a pachinko parlor downstairs create a low-grade dread. The voice acting is exceptional for the genre:
The process is as long as you are modifying a copy you own for personal use and you are not distributing the original or the patched work without permission. ano danchi no tsumatachi wa the animation patched
Look for reputable translation groups that specialize in adult anime. They often host their own blogs or Discord servers where they release clean, safe patch files. The sound design is a hidden star