Sachiko and Masato Azuma, in their 4th year of marriage, had been so excited about the birth of their long-waited first child. They named their baby boy "Hikaru" (meaning light in Japanese). Nobody doubted that the birth of their precious son Hikaru would bring great happiness to the Azumas' family life. Until one day, Sachiko noticed that there was something different about Hikaru. This heartwarming drama is a story about family. Hikaru's
