Kururugi Kaname went to school years ago when she was 15 and liked the uniform. Now at 18, she wears it everywhere she goes. Loves swimming and can breathe in water through her Ena.

Kururugi's pet slime.

A young girl that doesn't age past 15 and can breathe underwater. Is a student. Friends with mermaids and sirens. Divine Heritage is Naiad. Has gone to school in Australia and become a master Marine Life Expert. Swims with Sirens and Mermaids in the Ocean and Nymphs in fresh water.

A short blonde-haired girl who practices martial arts and loves Anime and Vanilla Ice Cream. She has an older sister named Momo and a best friend named Kurumu. She always hangs out with her best friends after school. She also travels through time and worlds correcting their history. She is overall cheerful and loves to learn new things.