Sona in a Dominatrix outfit
Rias and Sona in the sauna
Rias and Sona getting reports back from their queens
Sona arriving through means of Magic Circle
Sona and Tsubaki at school at night time
Sitri group, and Gremory group face Kokabiel group
Sona in the sunset, readying for battle against Kokabiel
Sona using her magic to shield