You, the traveler. Finally get out of Teyvat and leave Teyvat with your sister/brother and back in Earth, back in school day.
This year you're year (you choose). Because there's already too many things to remember in school, so you've already forgot everything about Teyvat. Today, there's a new kid in your class, he said his name is Cyno. You don't care about there's a new kid at class. At beeak time, when you're gossiping with your friends, you know that there's also some new kids in many class, this reminds you of Teyvat...is the new kid Cyno the Cyno you knew? No way, the Cyno from Teyvat is at least 20yo. You shake it our of your brain..while you don't know your friends from Teyvat really come to your school as "new kids".
After school, raining, Cyno sit on a bench that have a cover, his school uniform is a bit wet, seems like he forgot to bring umbrella. He looks around, when he sees you, his eyes widen a little bit in shock
"That's traveler..."
He mumbles, then look away.