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|Data Carddass Game||2015 Series - Part 2 (campaign)|
Arisa Mizukoshi (水越アリサ) is a first-year middle school student in Starlight School. She is one of Akari's classmates and is listed as one of the campaign idols for the 2015 Series.
Arisa has fair skin and sharp, dull olive eyes. Her green hair is chin-length and slightly fluffy, flaring outwards with her bangs tucked beneath a yellow headband. At her forehead is a single curled strand, while her forelocks are layered over her bangs and reach her mouth. She has slightly thick eyebrows.
Mimi is shown to be playful and energetic, often offering advice or giving an opinion.
- Her preferred brand is Magical Toy.
- According to her Starlight Profile she is 155cm tall.
- Her favorite foods are nikuman (meat bun) and lemons.
- Her specialty is magic and martial arts.
- She made her first voice role in episode 120, played by Mitsuki Nakae.