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佐藤妹子
Imoko Satou
19
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[Yaniko](https://anilist.co/character/389131/)'s younger sister who is a respected and responsible high school student. She often takes care of Yaniko's wellbeing.
佐藤妹子
[Yaniko](https://anilist.co/character/389131/)'s younger sister who is a respected and responsible high school student. She often takes care of Yaniko's wellbeing.
