Your choices will change your experience - the scenes that you see, the conversations that you get. But this is not a system where you have to select the correct responses in order to sleep with one of the characters. Though you will generally have an opportunity to refuse sex, so in that circumstance if you want sex then there is a right/wrong answer
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There is one character where you will have to select the right/wrong choices, but that's an exception in this game. And it's a side-character.
We all say that we want player choice to have an impact on the game, but the truth is choice in these VNs is a lie. If players truly wanted choice then rollback would be disabled on all choices and the only saves you could use would be auto-saves. That way you're stuck with your choice and it really matters. But most players would immediately quit a game that did that.
If I created a system in Unleashed where in order to sleep with Shannon you have to select no on the pineapple question, you have to say yes you're a weeb, and you have to get the jeopardy question wrong, then that is exactly what everyone would do. Those aren't choices that matter. Those are hoops you have to jump through in order to get your treat, like a trained dog.
So I'm not going to make you jump through those hoops. If you want to sleep with Shannon in this game, you're going to. The path you take to get there might vary depending on your choices, and hopefully all those paths are entertaining, but I'm not going to act like there's a possibility it won't happen.