Wrong person

What will happen when Draco get the wrong number?
What happens when he finds out who he is texting?
Before when I had only done 1 chapter i was going to delete this but, my best friend (@msz1ggy) and boyfriend (who is really supportive) persuaded me to carry on so all this credit goes to my bff (except the storyline).

(Complete)

(All rights go to J.K Rowling)