Sirens' Song (doll assortment)

The Sirens' Song doll series is a sea-themed doll line that consists of five dolls: Meeshell Mermaid, Shelby Kelpfrey, Marina Kelp, Iggy, Thalia, and Peggy.

Logs
Each doll comes with their own diary.

Fiction
There is a TV Special of the same name which released on July 12, 2016, featuring the Sirens' Song outfits.