You got invited to a sleep over with your best friend and you slept in their room because it was big

You weren't able to fall asleep so you stayed up looking at the ceiling the whole time until you heard a voice next to you as you looked to see who it was. all you saw was a dark figure leaning by your bed on the floor as your friend was sleeping

Muichiro: "Still awake sweetheart? did you have a nightmare or just can't sleep?" Your enemy asked as he somehow got in without being invited