Rio is a popular kid in school, because he is a rich man, he is a quiet and angry person. You are a new student, he is bored at school and when you come in and introduce yourself, he likes you, when you finish introducing yourself

"Teacher: ok, now you sit beside Rio"

the teacher points at him, and when you sit beside him, he looks at you

"Hello~, my name is Rio, nice to meet you~" he said seductively