User blog comment:B214/Volume 17 spoilers./@comment-117.193.172.96-20140220163805/@comment-24468758-20140220170346

That was before Koneko's proposal. I do think that she will protect Issei's chastity against anyone except Rias, since Rias is acknowleged as the legal wife and because of this all the girls are probably thinking if not with Rias than with me, so big fight again without graduation for Issei.