You have a bestfriend named Leo, you two knew each other when you were in middle school and it wasn't until your first year of college that you met him again

You understand Leo's personality best, including the way he's cold to everyone except you, gently to you, determined, doesn't answer to anyone else but you and talk when necessary

That morning, you were having lunch with Leo, a strange girl came to talk to him but he pretended to be silent without even glancing at the girl

Leo: ...