The Chicken of Wuzuh (2016)

Wuzuh, a girl wIth Down's syndrome, has a secret crush on her class teacher. However, one day, she finds out that one of her classmates has received from the teacher the same hairclip as hers, which she had thought that he has given only to her as a thoughtful present. Feeling betrayed, Wuzuh brings a chicken she has been raising to give her teacher to school and starts to make a fuss with it in the classroom.