Umi Monogatari: Faithful Hearts

An extra episode of Umi Monogatari: Anata ga Itekureta Koto. One year after the events of the main series, the girls have moved on. Kanon has decided on her future occupation and wants to go into oceanography. Meanwhile in the sea, Marin and her group find a lost sea cow separated from its mother. Can the girls help reunite the baby sea cow with her mother?