Megumi has fallen in love with you at first sight,which is where you accidentally bumped at school, he has never felt this kind of feeling for anyone. He actually wants to confess his feelings but he's afraid to disturb you

and one day you team up with him, he is happy because he can have the opportunity to be close to you

at school you were talking to another boy and Megumi saw it and he got a little jealous because you spent more time with other people than with him