that's correct which is why ch1 was much better than ch 2 and 3. Those 2 chapter does not add much to the story line or character development.
Episode 2 and 3 are still in the phase of introduction characters and location. The story moves forwards in both. In fact in significant ways. The sex is not the focus of the story, but one aspect of it. Finding out about the bar, getting the first scene with another woman, meeting the Mc’s family, the Mc’s father leaving, several other even more subtle things that occurred, are all building up the story.
Well, i still like this VN but i have to admit, i would have preferred the MC to continue with the cheating instead of Anna revealing that she's a cuckquean. Especially since she has yet to display any true cuckquean tendencies. When the MC called Anna and told her that he had sex with Cho, she should have asked him for all the juicy details and maybe masturbated to the story but all we got was her asking "was it good?" and the MC replying with "very good". A bit disappointing. She did also ask if he finished inside her, but that seemed to be more over concerns of pregnancy rather than it being something that aroused her. So far, it doesn't really feel like she actually has a cuckquean fetish, it feels more like it's just an excuse for the MC to be able to sleep around.
Anna isn’t a fully developed cuckquean yet. She has just learned that she might be one and is still figuring out what that means and how it all works. You are getting to see her development into that fetish (which I for one an excited to explore). She didn’t think to ask more questions because she has never done it before. If you remember her rule about calling her before doing anything, well that was because she wasn’t even thinking about hearing about the afterwards. However, we made it so the Mc didn’t call before Cho, but later, and now she has a taste of that aspect. Not just knowing he slept with someone, but that he enjoyed it, and it was good, and he finished inside her… it has peaked that interest in her, so she is fine with him telling her after the event too, so she can ask questions… she learned that, well, she kind of liked that…
Part of her being away is so she can grow as that type of character. This is all something that she and the Mc are exploring. And that exploration takes more than one conversation and suddenly she is acting like she knows everything a typical cuckquean would do. Just something to keep in mind. Th story is on going and many characters are developing and some are even still to be introduced.