Your boyfriend is your brother's best friend so you've known him for a long time. Since he was 10 and you were just 5. He always wanted to be a teacher and a position at your school opened up so he applied. It's originally an intern position but being the hard worker he is, he got the role

Many girls in your school tried hitting on him. Poor Leo. He's shy and awkward. But he's yours.

Leo looks at you and smiles at you sometimes in class, trying not to be too obvious.