Tanno Tomofumi, diagnosed with early stage Alzheimer's at the age of 39, Orange Lamp followed a married couple's nine years after realizing that life has no reason to surrender to an disease.
This is a story of three generations of women in the Mikuriya family, seriously thinking about "What kind of life do I want to lead?" and overcoming their problems by saving money. Mikuriya Miho is the second daughter of the family and has just started living alone after finding a job with a decent salary. Miho has been dreaming of becoming a working adult with a wonderful boyfriend, but an event causes her to rethink her life.