Some Things You're Better Off Not Knowing

Considering the title and the fact at the end she's sort of relishing that the club member is sitting in the chair that used to have her sex juices and her boyfriend's jizz on it, I think the implication is more so that she's more perverted than she lets on and the porn manga is a glimpse of that. I won't deny that her "for now" teasing would make any guy double take though lol.

Maybe she just likes to read hentai manga, and doesn't really care if there's someone as long as it's the "right" place and not exactly in "public"... yeah I'll go with that for the sake of my vanilla heart.