Gonna Be the Twin-Tail!! S01 E07 A Passionate Debut! Dark Grasper!

Twoearle recognizes Dark Grasper as being Acena, one of her own fangirls from the past. Dark Grasper takes decisive charge of the Ultimaguil invasion force and climbs her way up the pop charts as her alter-ego, the twin-tail idol Anko Iisuna.