Herikawa, Koishi

縁川小石

She is one of Kei's close friends and also pursues a romantic relationship with him. Her parents own a grocery store, and she often has to go deliver food that people ordered.
Koishi has a happy disposition and is only ever seen crying when it comes to matters involving Kei. One thing that irritated Ichigo was that Koishi would never act on her urges; consequently, she waited too long, and by the time she told Kei her true feelings, he was already hopelessly in love with Mizuho.

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