A crossover drama with NTV drama “Saiko no Kyoshi”. Where Saiko no Kyoshi focuses on Class 3-D, “Saiko no Seito” is set within Class 3-C, which is the neighboring class. Ban Hikari is a young girl who has recently been told she has just a year left to live due to a hereditary disease. In her notebook, she jots down a list of things she wishes to accomplish. Called “positive monster” by those around her, she resolves to live the days of her final year out as fully as possible.