Sana: I saw a beautiful girl yesterday
Tzuyu: So?
Sana: You're not going to ask me who?
Tzuyu: No need
Sana: Why? You're not jealous at all?
Tzuyu: Sana, you're in my room the whole day yesterday.
Sana: Hehe. I saw myself in the mirror.
Tzuyu: Stop hanging out with Nayeon!