User blog comment:B214/Question and Answers 3/@comment-25222726-20140711180102/@comment-3325617-20140711192748

Do you really think he can.There are so many girls with him and if he tries to suck on Akeno's for example Rias and the other girls will stop them ,he can when he's alone with a girl and by that I mean completly alone in a house on a mountain or something .For Rias and Akeno fighting on a real battle with their full power,I hardly doubt that will ever happen ,Rias has matured a lot ,if she declared a fight to Akeno like in episode 7 of season 2 then Akeno wouldn't back down,that could be possibly the fight ,the the chances for that are 9%(random number ,don't judge).And I really don't know if Issei has ever sucked on boobies