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|Anime||Episode 117 - Sumire-Colored Singing Voice|
Mitsuru is Sumire's singing teacher at the Starlight Academy. Accompanying them throughout their lessons on the piano.
Mitsuru has pale-fair skin with a few wrinkles located around her face, implying that she is not a young adult. She has small turqoise eyes and pale graying brown hair that reaches the bottom of her neck and flips up on end to give it a feathered appearance.
Mitsuru is very kind in nature. She acts almost motherly towards the students; showing concern for them whenever they may not be doing well or be ill.