As with any series that pushes boundaries, "Onee-chan no Sukebe Body o- Hakudaku ni Someage" has not been without controversy. Some critics have accused the series of promoting incest and glorifying taboo relationships.
For those interested in the technical side of the industry, PoRO is often cited for its consistency in animation quality, which sets it apart from many lower-budget "pink" film productions. Onee-chan no Sukebe Body o- Hakudaku ni Someage...