Whats the difference between corruption and NTR? 1st one you make them sluts but exclusively for yourself, 2nd sluts for everyone and maybe not even a little for you?
So I find the best way to look at it is like this. The main portion of the game follows two paths, Love and Corruption. They are pretty much what you expect. Help them fall in love with the MC or make them corrupt and used by the MC.
The "Darker Paths" or NTR content is more like an overlay that can be applied to those main paths. You can't ignore them completely. You still need to play either the Love or Corruption path in conjunction with the "Darker Paths" to proceed in the story. There are scenes that don't have "Darker Paths" counter parts, just Love or Corruption options. And there are a couple scenes that are solely "Darker Paths" as well.
So I find it's best to think of the couple the choice if a "Darker Path" with that of Love or Corruption as well not in place of it. Anyways, as to the actual content of the "Darker Paths" that is described in a few places, such as the OP, but to summarize:
- Voyeur - MC likes seeing the Girls being abused, the Girls also like being used.
- NTR - MC does not like seeing the Girls being abused, the Girls however do like being used.
- Revenge - MC does not like seeing the Girls being abused, the Girls also don't like being used.
- Sadist - MC likes seeing the Girls being abused, the Girls however don't like being used.
This is demonstrated through dialogue changes for both the MC and the Girls in each of the Paths. In the "Darker Paths" the MC rarely gets to participate, but on rare occasions he can also join in when invited.
The "Darker Paths" content is well darker. With themes of humiliation, voyuerism, sadism, rape, extortion and more.
The Corruption Path approaches some of these but not on the same level and is mostly focused on the relationship between the girls and the MC.