Another school year might be over for Hikaru Azuma, but his mom has no time to rest. With both a new teacher and new classmates of different ages and varying disabilities ahead in fifth grade, Sachiko starts preparing for the difficulties that come with sudden changes to her autistic son's routine. Despite her best efforts, Sachiko meets with much opposition from the new teacher, and the Azumas have to cope with Hikaru acting out as a result of the...