Yandere AGUST D (MIN YOONGI) x Female reader

Everyday...I keep on receiving these love letters at my front door.
"w-who...gave this to me?" I picked up the love letters and wondered curiously. "and why would I have a secret admire anyways? I'm not a pretty girl.. I don't even think I am.." I sadly whisper to myself and put the love letters in my drawer , get into the bed and slowly drifting off to sleep.
"You're not ugly baby.. You looked beautiful just the way you are.." a man softy whisper from the window outside the apartment

[ This is my first fanfiction story and since English wasn't my first language.. I apologize if my grammar wasn't right ^^;;; please do correct me if there's a grammar mistake ]