User blog comment:Crimson and Darkness/Shin DxD 3 discussion/@comment-2208155-20190822124247/@comment-38340421-20190822233237

Of course they would. Rias is the first to have sex with issei. That was already stated since early on in the story. That her virginity is issei and his is hers to take. Already been set in stone. lol Also most likely akeno would be next, then asia.