So...
I think Dad/daughter stuff needs to have more representation, so I'm all for this. The daughter and the other characters look amazing, and you get extra points for having the ex-wife and daughter look like they are related. That's not always the case. Maybe some close-ups of the F and D's faces to show that their eyes are the same color or a birthmark they both share?
Will this be a game? I'm all for setting the stage with .1 and up to point .3, but you need some choices to make it a game. Ones that really impact the plot, hopefully, and not just which sex scene you see. Example: look/don't look, adding to the attraction factor. There were several moments like that which could have been introduced in this intro.
Tied into that, the MC seems to be going along with things too much. Now, if there's a reason why he's just letting his daughter make the decisions and spoiling her (the clothes) above and beyond what's stated so far, fine. Nothing in the MC's past indicates that he would just let D make all the decisions for them.
The stream concept... ehhh? It's okay. But I think that, again, that going along with that scheme should be a player choice.
It looks more as if the daughter is trying to corrupt the father, which is not normal, but I would be okay with it, so long as, again, the player gets some choices in how. Example, if, as I said, the daughter is consciously trying to get into her father's pants, then let the player choose between one or two ways: naked apron, or tight clothing while cooking. Or Acting like a complete innocent, open about her body because 'she has no idea what she's doing to him' or instead being demure but also always looking to touch him or be close to him.
Don't take this as me shooting your game down! I am just offering suggestions.