[Internally, he just sighs- he really wishes she hadn't found these doujinshi in the first place, or better yet that they weren't created at all- but here they are, sitting together with a book that's titled in a way that could be the worst one of the bunch yet. He's not going to force her to open it and take a look, but she did buy it knowing it was porn, so...]

Well, you bought it, so it's up to you what you want to do with it. You can open it and see what's there, or you can throw it away.

[At the end of the day, as far as he's concerned, any discomfort brought about by this is the fault of the people making the comics for anyone to buy, at his expense. Maybe he should think about getting a lawyer or something...]

It doesn't matter to me either way. Just know whatever's inside might be upsetting, even if it isn't with another person.