Manaka Mukaido is the main female protagonist in the anime series 'Nagi no Asukara' (A Lull in the Sea). She is a cheerful and somewhat clumsy girl from the underwater village of Shioshishio. Manaka is characterized by her kindness, innocence, and emotional vulnerability. Throughout the series, she faces challenges in understanding her own feelings and navigating complex relationships with her friends, especially as tensions rise between the sea and surface dwellers. Her journey is central to the story’s themes of love, change, and acceptance.