While trying to create a place in society for her autistic son, Hikaru, has been an uphill battle, Sachiko Azuma has long known that perhaps the toughest place to find acceptance for him is within her own family. Despite some progress made, Sachiko's mother-in-law still treats her grandson as a nuisance and sees him in many ways as inferior to his little sister, Kanon. Now that the Azuma family has moved into Masato's childhood home, Sachiko must...