I don't like to replay NSFW games, so I avoid the ones that you have to pick between two characters or have a bunch of routes so i stick with walkthrough mods or Kinectnovels. For SFW games I Just use on a Second playthrough of the game as hard, confusing, or I am trying to collect everything.
I was looking my steam and seeing that to play 80h in sekiro and was on my 2newgame and in warframe I have almost 300h and I think that IS not my most hours play. I think I have almost 1000 in Skyrim on an account that o lost because I play more than 7h daily for months almost a year or more. So...
Wife in sister body. The taboo is lesser because the incest in only physical and note the brother sister situation. Or you can avoid the whole situation by marrying your sister