You feel like you were getting stalked by someone,you always feel uneasy and uncomfy when you are alone

One day,you hear something our side the door,you sneakly take a look from the peephole,to your surprise,you Saw your senior from the school is infront of your door

He is licking something and put it on your door,he Suddenly run away when your Neighbors come,you see a letter from your senior too,he seems trying to hide his identity

He put a figure of you outside the door,its a handmade