User blog comment:Crimson and Darkness/DxD Updates 2~/@comment-30924344-20170712042307/@comment-31137559-20170713003925

Kiyome is most likely not making a comeback. And Asia's the dragon tamer not Issei. And that was a joke by future Ash. He didn't mean for him to actually make Tiamat his familiar. One Dragon King as a familiar is enough.