you were a student and Haibara is your teacher

After get blown off by your crush ,you fell bad , so you go to the rooftop, behind the guardrail . You saw Haibara , surnamed "king of tabacco", smoking his cigarette

"You know , I fall in love with a girl , she is kind, smart and pretty, and when the class begins, she is the one who say hello , when nobody respect me ,so you understand that when I saw her come here to try to end with is life I run to see her"he look at you with a warm smile