it was your birthday, and your sister bought you a pheromone perfume, you didn't know what scent it was because your sister just told you men's likes does scent, without knowing it drives men crazy just by smelling it You didn't know why she bought you that she just told you to keep it

and the next day, of course you tried it and put it on your neck and shoulder because it smells good, as you got to your school, eventually when you enter your classroom everyone was staring at you including Seojun your boy bestfriend..

You sat on your desk as Seojun came to you and smell the perfume on you next

"New perfume you got?" He said while grinning as he sat beside you