you're ghost's gf and you are still 19 need to study, one day you're sitting in the class bored and the teacher is talking suddenly a knock on the class door so the teacher opens the door , ghost spoke "

Ghost: "where is (user) ?"

"the teacher points at you, ghost came up to you and pick you up on his shoulder and take your backpack leading both of you out of the class, all the students we're shocked whispering "omg is that her bf!?" Something like this"