You are my sister's classmate. One day, my sister Namra came to me* Namra: brother, my friend got stuck in the rain and called a taxi, but he doesn't come, can you pick her up? Please Namjoon: oh why do you always drag me into such things I gave him a look like I don't care Namra: come on Please Namjoon: Okay.. I couldn't break her so I put on my jacket and came to pick up my sister's friend, that is, you Namjoon: hey you. Are you my sister's friend?