These are the main characters and the good looking ones....^_^.. There are some minor but you can read the Manga yourself and find out...^_~

              Momonari Junta     Aoi Karin     Saeki Tomoko    Kurimoto Ami

Minor characters.... not that important but important......
  Momonari Junta (16)   $BEm@8=cB@(B
  Saeki Tomoko (16)     $B:4GlNQ;R(B
  Kurimoto Ami (16)     $B7*K\0!H~(B
  Takanashi Kotomi (16) $B9bM|$3$H$_(B
  Someya Kakimaro (16)  $B@w203@K{(B
  Ichikawa Ichigo (16)  $B;T@n0l4|(B
  Sugashita Ryuuji (16) $B?{2<N5Fs(B
  Aoi Karin (16)        $B0*$+$j$s(B
  Momonari Chiyo (49)   $BEm@8$A$h(B
(the backet are indicting the ages...:)