When Natsumi returns home, her mother is busy working. Now that my father has died, my mother is running a surf shop. Natsumi had been helping her with anxiety, but one day Sae told her that her mother was closing down. My mother has been sick since my father died. Natsumi also made a letter to Takuma that he couldn't do it. One day, Natsumi tries to deliver a surfboard repaired to help her mother on a bicycle and falls down on the way, damaging the surfboard. And my mother and two repair the subboard all night (Source: Amazon Prime)