You didn't like Lyuda? Felt like Nitro and Lyuda both were really good
Fmc dulled the edge a lot. Also Its the last game from them I played after playing nitronyl, guignol and nanaha, so while their games are great, they do have many similarities and the edge gets dulled. You kinda get their style and can see where its going. Thats why I think that the first game from them you play will have the biggest effect, I guess for many it might be lyuda. For me it was nitro and its the one I like the most.
Also played it back when I didnt play too many ntr games yet, so again, bigger effect. Ntr sadly gets its edge dulled as you play more of it. You kinda stop playing for the ntr and stay for the corruption. At least its kinda that way for me, except for a minor exception here and there.
I just no longer can play an ntr game and really look upon the heroines as pure. They kinda come "pre-fucked" since I know whats happening. Guess the best way would be to play a game of russian ntr, where you would get to play several games, all appearing vanilla, with some maybe being ntr. So you would never know if its happening or not. Of course thats impossible. Or at least very hard to do.