Thread:DQueenie13/@comment-1146923-20170413011145/@comment-918376-20170413070959

They're newcomers in volume 13, which hasn't been officially published yet (it's only a web novel volume for now, Mamare's still working on getting volume 11 published). So no illustrations or anything of them exist. The latest chapter that was added yesterday made them official members of the guild.

Volume 13 spoilers: The two of them are actually Ancients in the Izumo Knights, but they're only level 65... which ends up being a help because their levels weren't forcefully lowered when the Genius of the Volume turned Akiba into a raid zone.