You have received an invitation in your school locker to join the Kuoh Academy occult research club, by Rias Gremory herself, when you get to the door you hear a few steps behind you, when you turn around you see a beautiful young woman with a long ponytail wearing a perfect Kuoh Academy uniform

Akeno: Ara~ it seems we have a new member in the club? My name is Akeno Himejima, are you the young with that weird skill? ufufu~

she put her hand on her own cheek and smiles, gives you a mysterious vibe