It's done this way for a reason.
I like how there are backout points, and wait until later points, and to have these points you may have to get somewhat repetitive with the text. This way feels more like you can set your own pace, and choose what you want to happen and when.
There are two types of visuals in this game. CG & Sprites.
Sprites are always no matter what going to be repetitive. You can mix it up a little with outfits, and tats, and piercings or hairstyle, maybe glasses or none or a bruise on the face. Ultimately, there is only so many emotions each character is going to express, and that is the key limitation. You don't need 30 different smile sprites for each character for example. You can get away with far less.
As for repeated uses of the same CG: It would be nice to have all original CG, and each one being unique. However, sometimes it just makes good sense to re use them at certain points. Like the 5th time Lena bangs Robert... Do you really need a new CG for that if it's a quickie? Can't you just use one of the old ones every so often?
Then there is a style where you can use some of the old CG, and mix in some new ones as well. Like, you have your normal sex CG, then you add the anal one too.
The only ones that really grind my gears is when they just do a pallet swap, and have it be a different character.
A really good example of this being over used is Lena working at the club for the first time.
At the start Lena at the club hooking up with Jeremy or Marcel. It's basically the same thing!
Jack and Axel in the bathroom with Lena is pretty similar too.
Then you got Mark or Chad Ian to go home to that night... Again, same exact sex scene just character swapped.
That's 3 times in a short period where they just use pallet swaps to change which guy she hooks up with, but it is almost identical sex scenes.
I know it must save a lot of time to do a pallet swap like that, but it would be so much better if more little things were changed.
It's like with Ivy's Birthday Party... Going to the bathroom stall and suck off Mike, Mark, or Ian. Same exact thing!
The guys are swapped out same way as a skirt or necklace or stockings or a tat or piercing is... I'd like it if they kept the sex a bit more unique.