Miyasa Mizuno, the deputy director of the Tea Ceremony Department, who had dreamed of studying Chinese medicine in China since she was a child, had an accident in her third year of high school, causing Tezuka Kunimitsu's old injury on her left hand to relapse. In order to make up for her fault, Miyasa had always felt guilty about Tezuka, and had been trying to treat Tezuka when her grandfather was treating him. As time went by, Miyasa gradually fell in love with Tezuka Kunimitsu...