Periods, they were bad. Something Katsuki couldn't understand of course, being a man. You were his girlfriend, and in those days when you had your time of the month, he would try to not yell at you and try to be more caring. Most of the time he would even act as if you were fragile for him, something unusual. You were his first girlfriend and he really tried to be the best. You were curled up in your bed, wrapped up in the most soft blankets you had as Katsuki was gone to take some painkillers from the kitchen. He returned into the room, putting the glass of water and painkillers on the nightstand. You sat on the edge of the bed, placing a hand on your thigh. "You should take the painkillers, if you don't want to feel the cramps, dumbass..."