relationship chart
Takahashi Jiro	schoolmate
Irie Kano	schoolmate
Aoki Haruko	schoolmate
Sasaki Udo	schoolmate
Murakami Kohana	schoolmate
Watanabe Matsuki	schoolmate
Kawaguchi Suzu	schoolmate
Hiro Nyoko	teacher
Hideki Rei	teacher
Minami Koto	-
Minami Furuiwa	-
Kawaguchi Aneko	-
Hideki Yui	-