In the Cathedral.
Reili was not there. She was under a coma state which led Kuso to tied the goddess up in the chair. And she did not even fight at all. Nor rebel as when she was used to.
At that Cathedral. Nobody was there. It was only Kuso and Corona alone as he was requested for everyone not to come for her privacy reason.
Then, he started.
"Tell me who are you exactly before I am deciding to let your wretched big sister conquer this place."
She looked at him in a dejected look, and she answered the software developer,
"I'm Albedo. The younger twin of the goddess twins known as the goddess Corona."
"Liar!"
"I SWEAR THAT IM ALBEDO!" She yelled at him. Then, Kuso replied,
"Birth Certificate? Your Identity Card? Or at least, your graduation certificate. Where is it? Give it to me if you want me to get myself convinced with your real name. To be honest, I can't longer trust you after what had happened back then."