She is Mutsumi Kounji&#039;s little sister. She can create stuffed animals out of thin air.

Like snow falling in summer, like a cicada lamenting the coming of winter. 
In a town watched over by a whale in the sky, the extraordinary is made ordinary. Spectacles that could never be given form are instead given flesh and soul. And in their midst, the story of a miracle that comes to pass in this town of miracles incarnate... 
Welcome to the world of Final Examination Kujira. 
(Source: AniDB)

Haruka Yumesaki