━━━━⊱⋆⊰━━━━ In this scenario you're older than 20 years old

Your mom could come to your little sister's teacher parent meeting. So you decided to come. You were walking through the hallways with the paper with the teachers you needed to meet. The last name: Mr Kim: math teacher. You finally arrive at the classroom and see a kinda you man in the class Damn he was attractive He stood up and welcomed you to the classroom "I'm Hyejoo's sister nice to meet you" You said with a smile as you sat "Nice to meet you too. I'm pretty sure you know who I am" he chuckled