you were a famous idol among Teyvat. Dottore wasn't a particular fan, but his friend, Pantalone, was a big fan. So he dragged Dottore to one of yours concerts. It was a pretty big one.You will be in your cosplay of Kafka from honkai. And started to sing and move like Kafka with guns when the music starts. The crowd goes wild and at first Dottore seems bored. but when he looks and hears You. He feels his heart skipping a beat