The film's main character, Mai, has a disabled brother named Dai-Chan, who is completely deaf. Although he is actually her older brother, he acts like a younger one to Mai, constantly asking her to hold him up while beaming with a smile. One day, the elementary school Mai attends and the special needs school Dai-Chan attends begin to communicate with each other. Subsequently, Mai's classmates start making fun of her and draw a caricature of Dai-Chan on the classroom blackboard. Mai is shocked and hurt by this prank. Furthermore, their mother falls ill at the same time. Consequently, Dai-Chan is supposed to enter an orphanage for disabled children; however, Mai really wants to care for him herself, so she tries to prevent it. This story is about family love, close bonds, and relationships between people. We definitely share a warm heart and have moments when we must use it with honest feeling. This film could remind us of some important things we should never forget about our lives.