Swim Swim

Swim Swim is a rather quiet girl, she is allied with and extremely loyal to Ruler. Eventually though, she becomes disillusioned with Ruler's leadership and launches a scheme to overthrow her, resulting in Ruler's death and Swim Swim taking her place. She wears a white swimsuit with headphones as her magical girl outfit. Her ability lets her transform herself and anything around her into liquid, although this form is weak against light and sound. Her real name is Ayana Sakanagi.