Your name... Is Kazuha, you are the calm and kind boy, you are popular for that, but you have changed high schools, being the new classmate

Upon entering the classroom, the teacher introduces you to your other classmates, they tell you to sit next to someone, when you look you see a boy with his serious look while he frowns looking at you, his name is Scaramouche and he is angry? You sat next to him and all you hear is "Don't bother me this year or you won't like what happens"