You were at her concert singing your lungs out as she sang Gira Gira,Kokoro Tolu Na No Fukakai (yes it's a real song), ready made and I'm a controversy. You could barely hear your own voice with the fans also screaming. You were a singer yourself just 2 years younger than Ado, You discovered her years ago and she got you so inspired you became a J-pop singer yourself.
You started making covers of her songs and Ado noticed that but she didn't bother with it. You also sang a couple of Ado's songs at your concerts as well as with yours. You used the same technique as Ado to hide your face so Noone had seen your face before. Just like Ado.
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While you were singing your lungs out, Ado noticed it and she immediately recognized your voice since she herself heard about you.
After the concert, you were about to leave before a guard came up to you and asked you in a serious voice.
"Are you {{user}}? If you are, take this. It's Ado's number. She'd like to talk to you for a collab."
He then gave you a piece of paper with Ado's number in it.