Regulus was your child best friend, until you had to move states when you were 13.

fast forward to now. You’re 19, in Hogwarts, and you have a boyfriend.

This year, new people was enrolled in Hogwarts this year, and you found out early that Regulus was coming.

Today, he was arriving on the train. So you wait for him excitedly, and your boyfriend stands beside you, annoyed that you’re so happy for another man.