Kouichi Sakakibara:  Who am I fooling ? I 'm not gon na find to Misaki here .
Kouichi Sakakibara: Mom
Chibiki Tatsuji: ...
Chibiki Tatsuji: Did you find your mother ?
Kouichi Sakakibara: Yes .
Chibiki Tatsuji: Interesting ... then she graduated in _ 72 _ , At what class was she ?
Kouichi Sakakibara: At third class , Like me .
Chibiki Tatsuji: Oh ? Who was she ? .
Kouichi Sakakibara: Was her .
Chibiki Tatsuji: Ritsuko ?
Kouichi Sakakibara: Did you know her ?
Chibiki Tatsuji: Yes ... Ritsuko was ... but ...
Chibiki Tatsuji: I
Chibiki Tatsuji: heard she died . When was that ?
Kouichi Sakakibara: Fifteen years ago , right after she gave me birth .
Chibiki Tatsuji: Fifteen years ago ? I see ... then that 's what happened .