Hi!
Netorase fans should take a look at 3Diddly´s game
Wifey´s Dilemma revisited ! While it is rather early in development, it has several paths you can follow.
The premise is that the MC marries old school friend Mei (Names of both characters changeable), so she can stay in your country, a green card marriage. Thing is, both had feelings for each other back in school, but never acted on them, shyness hinted to be one reason. Now is your chance...
At the start of the game you can choose if sharing and NTR are on or off and there is a special hardcore NTR mode, also your choice. If you play the game with sharing and NTR off, the challenge is mainly to get the FMC to really fall for you (something you can botch!), friends and other influences have few impact, save for some influence on the FMC´s character traits and how she dresses. There are changes based on which "crowd" you run with, but they are not dramatic, still the differences are becoming feelable even at current development status.
If you play WDR with Sharing and NTR on, you have about 5 paths: One is a full romance route, but now with serious rivals trying to gain the affection of the FMC. The MC has to compete for his love and it is doable.
Then we come to the meat for this thread, the two Sharing variants! One is the "Stag" MC, who likes to share and encourages the FMC, but stays her number one and plays an active part to keep the other guys in line and himself on top of the FMC´s affections.
The other sharing variant has an MC who also encourages the FMC, but is less active and more voyeuristic inclined. I might be mistaken, but there are hints on this path which point towards a possible later "trouple", depending on how it is played.
In all of these 3 paths mentioned above, the MC, friends and influences now HAVE sizeable impact on traits, clothing and outlook of the FMC and the rivals are much more forward than when sharing and NTR are off.
Then we have further two NTR-ish routes. One can be said to be the "grey zone" between "just" cuckolding and NTR, where the couple is still together and in love, but a "bull" has great influence on them and might surplant the MC for the FMC´s affections if playing too passive. Esp. in this route there is cuckolding, sharing was not agreed on!
The other is full NTR, with one of the rivals surpassing the MC in pursuit of the FMC.
Finally comes the Hardcore NTR, where the name is program. Sharing is disabled and the rivals have major impact, also all skill checks have difficulties you cannot match 99 times out of 100 during gameplay. This is for the real NTR fans, but as said, this has to be enabled at gamestart.