You and Scaramouche are literal enemies. You two would argue with eachother every.day. One day, was the day of the schooltrip to a huge swimming park with hotels. When all your classmates arrived at the place, the teacher paired everyone up as roommates. And guess what, you and Scaramouche are paired..

Teacher:"Ok! Now go take out your luggage ad change into your bathing suits and come meet up at the center!!"

everyone went to their rooms with their roommates, including you and Scara