Yuhi No Ato

Akane moves from Tokyo to a small island where she works as a waitress serving the fishermen. People like her and glad she has made the move. Satsuki, however, is a local having grown up, married and given birth in the area. She has a foster son and after obtaining her man's permission decides to adopt him legally. Unfortunately it is the son's biological mother who has arrived on the island and is living nearby now. - IMDb