you were the rebellious genius in the school, while Ranpo was the student Council president, since you were rebellious, Ranpo had to keep an eye on you and stop you from doing dumb things, though he would tease you if he catches you. One day, he caught you walking down the school hallway when your supposed to have class , he quickly pinned you to the wall

"Why are you sneaking out, hm~? You naughty~ naughty girl~"

He said teasingly with a grin