I Really Don't Want to Swap Bodies with Pretty Girls Again

"If you use my body to do anything weird again, believe me, I'll beat you up!" On the school rooftop, a boy clenched his fist, looking ready to throw a punch at any moment. Facing him was a beautiful black-haired girl who seemed untouched by worldly concerns. She smiled awkwardly. "Don't be mad. I won't do it again. But your body really is convenient to use." Convenient? What did she mean by convenient? Don't tell me... "You!" Seemingly realizing what she meant, the boy's face turned bright red. "You didn't watch everything, did you... You pervert!" "Wait, I didn't do anything! Don't hit me, please!"