In the poignant and powerful "Umibe no Kingyo," a high school girl named Hana, raised as the de facto oldest sister in her foster home, takes on a new role when an 8-year-old girl named Harumi arrives after suffering abuse at the hands of her mother. As they form a bond, Hana becomes fiercely protective of Harumi, who is eventually forced to leave the safety of the group home to reunite with her mother, now released from prison. With its thoughtful and sensitive portrayal of trauma, loss, and resilience, "Umibe no Kingyo" is a heart-wrenching drama that shines a light on the complex lives of those often overlooked.