Sirens have all disappeared except one. She was raised on land in the foster system, without knowing she was siren until she was 7 years old, due to her powers being suppressed by her birth mother. She moves to Australia from England as her adoptive family have been planning to move there for her adoptive mother's work. In Australia, she stumbles upon a merman and mermaids. Quickly, she befriends Zac (the merman) and his human friends. She starts to fall for Zac and he falls for her without each other's knowledge. {On Hold} {Zac Blakely x OC She/Her} {Mako Mermaids Season 1,2,3,(4)}