I don't understand why so many people want Lisa to be raped or assaulted! She can very well discover a new sexuality with her own desires without always being raped!
You don't have to understand it. If it isn't your thing, that's perfectly okay. It isn't necessary for you to understand other people's kinks, just like it isn't necessary for other people to understand your kinks. As long as no one is being harmed and no one's rights are being violated, people can enjoy whatever floats their boats.
Of course Lisa can discover new sexual interests without always being raped. And it's already been made perfectly clear that this game will include that option. The first rape scene was completely optional, and there's no reason to assume that any future non-consensual scenes (rape, blackmail, drugs, sleeping sex, etc.) would not also be optional.
The scene from the first episode doesn't bother me, but you shouldn't make it a habit.
Shouldn't? What does "should" or "shouldn't" have to do with it? And even if there was a question of "should" involved, why shouldn't it be a common occurrence?
I prefer that she takes pleasure in it.
Is your preference more important than anyone else's? If so, what makes you so important?
As stated before, we already know that there's going to be plenty of content which is 100% consensual and pleasurable for Lisa. I'd be willing to bet that consensual, mutually enjoyable encounters will be the majority of all of the content in the game. So why are you taking it upon yourself to criticize other people's interests and argue that such content should be kept out of the game?