relationship chart
Takahashi Jiro	classmate
Minami Midori	classmate
Irie Kano	classmate
Aoki Haruko	classmate, close friend
Sasaki Udo	classmate, close friend
Murakami Kohana	classmate
Watanabe Matsuki	classmate
Hiro Nyoko	teacher
Hideki Rei	teacher
Minami Koto	-
Minami Furuiwa	-
Kawaguchi Aneko	big sister
Hideki Yui	-
Wednesday	schoolmate