Naoya Takayama

A writer moves to a remote island with his daughter and young son. After settling into their new home, a neighbor arrives to welcome them and give them a breakdown of the local rules; most important: do not go outside when the island's siren starts wailing. (imdb)

Chihaya Ayase is a quiet, introspective girl existing in the shadow of her older sister. She meets a boy named Arata, a talented karuta player. Chihaya discovers she has a passion for this game and through her experiences playing it and making new relationships, begins to change her life.