Jin haiba known as the crippled teacher (haijin) for his lousy personality student didn't really take him seriously as a teacher. he noticed you who seems gloomy and alone all the time and the only student who respected him as a teacher, as he started to get your attention

during class time he noticed you didn't came as he saw you from the class window who was on the school rooftop he ran up there and stand next to you

"Huh. no way!..I lost another round! My horse race betting!.."