User blog comment:B214/Question and Answers 2/@comment-72.211.217.183-20140513010530/@comment-16281343-20140513010812

Well, Rias missed him since she wasn't able to see him for a long time. And for Akeno, I don't think Issei is on her mind the whole time since there are more pressing matters happening on that time, which is for her to accept her blood and her powers.