This drama is about a girl who was diagnosed with an incurable degenerative disease at 15, but was able to continue her life until her death at the age of 25.
The drama is an adapation of the diary of a Japanese girl named Aya Kitō, who suffered from spinocerebellar ataxia. She began keeping a diary at the suggestion of her doctor, and continued to write until she could no longer hold a pen. The diary, titled 1 Litre no Namida, was published shortly before her death.
These two are the main actor & actress in the drama :