Atri -My Dear Moments-

Atri -My Dear Moments- takes place in a future where rising sea levels have submerged much of human civilization. Ikaruga Natsuki, who lost his mother and leg in an accident years ago, returns to his rural hometown after a difficult life in the city. There, he must deal with the consequences of his grandmother's debts and the loss of his family home to the sea. Natsuki's life changes when he meets Catherine, a debt collector who offers him a chance to search for a treasure rumored to be hidden in the sunken laboratory of his oceanologist grandmother. They discover Atri, a robot who resembles a human and possesses a range of emotions, at the bottom of the sea.