Dr. Ichito works at Honjo Hospital. His longtime friend Dr. Tatsuya Shindo, who comes from Tokyo, begins working at Honjo Hospital. In their university days, Tatsuya was referred to as "the conscience of the medical school". Ichito notices a difference in Tatsuya now, as he leaves work on time. Then, Ichito's senior colleague Dr. Nukita collapses.—http://asianwiki.com/The_Chart_of_Love