Rio/Relationships

Undine
Rio has a massive amount of respect to her master, constantly worrying if her skills are fit for being fit for Undine. She enjoys being doted on and sharing tea with Undine.

Alma
Debutante classmate. She likes to dote on the girl, treating her like a younger sister.

Flo
Debutante classmate. She somewhat pities them for the overly competitiveness of their masters.

Ne
Debutante classmate. She is rather scared of Ne's strange behavior.