A tragic accident lead to Akari's blindness, but she clings to life and the smaller pleasures it can still afford her. Akari has also lost her family. She meets Rui a former kick boxer, misplaces him and the two begin speaking. He too has a past and is disassociated with most of society. One things leads to another and they develop feelings for one another. However, the too are connected in more than one way. Rui attempts to do what is right.

El radiólogo Iori Igarashi se reencuentra con una amiga de la infancia, y juntos lideran a un talentoso equipo que investiga los orígenes de casos médicos misteriosos.