This is a story that happened to a particular boy and his family...
Do you... know anybody named Nao?
هل تعرف... أحداً يدعى ناو؟
Kennst du jemanden, der Nao heißt?
¿Conoces... a alguien llamado Nao?
¿Conoces... a alguien llamado Nao?
Tu connais quelqu’un 
qui s’appelle Nao ?
Per caso... conosci qualcuno che si chiama Nao?
Conhece alguém chamado Nao?