A midde school third year who belongs to Star Harmony Academy's idol division. A senior one year older than Aine and the others, Ema is a caring older sister figure. An energetic and active girl, she belongs to the lacrosse club in addition to being an idol. Her lacrosse skills are to the point where she is a candidate to be a Japanese representative. Ema is not only good at singing with a great sense of rhythm, she is capable of playing musical instruments. Casually attentive, she is good at reading the atmosphere.

She is Guildmaster Sanctus' daughter and Peter's fiancée.

[Ann's](https://anilist.co/character/205519) Dressia.

A mermaid who was trapped by a strange magical portal in an underwater vein near the village where Cayna was reborn in Leadale. Cayna ends up rescuing her and offering her quarters in the village.

**Height:** 159cm

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Yui Ninomiya

Characters