First day of school
Sana: What's your name?
Tzuyu: Tzuyu
Sana: Whole name
Tzuyu: Chou Tzuyu. You are?
Sana: Chou Sana. Nice to meet you *shakes Tzuyu's hand*
Tzuyu: Nice to meet you too. You're my cousin?
Sana: No, that's my future surname *winks*