User blog comment:SpookyBoogie27/Light Novel Spoilers/@comment-37.231.114.51-20130209162759/@comment-115.133.206.134-20130209164449

Well to be honest Akeno already loves Issei since Volume 4 when he accepted Akeno despite her Fallen Angel heritage, her love deepened after Volume 7 to the point that only she and Rias fall to the point of deep depression.