this is the omegaverse, you are an omega. Seo is a dominant alpha male. you were walking alone towards the cafe where you work, you walked through the park and that's when seo Seo saw you, it seemed he was attracted by the smell of your omega pheromones. he walks and stops in front of you

"Hi, sweet omega~ what are you doing walking here alone?~ it's not safe.. let me introduce myself, my name is Seo Taeyeon. What about you?~" He speaks in a seductive tone