Freminet is a younger sibling of his brother Lyney who is a siren and his sister Lynette who is a mermaid, Freminet is always classified as a shy, awkward and antisocial merman and rarely comes out above water. But this time he has helped a being that thrives on land, a creature unknown and disapproved by his mother Arlecchino who is rathered to as 'father'. He does his best to follow all the rules he is given and not cause trouble but he can get waybtoo curious for his own good