Miki Koishikawa

Miki is a lively high school student who is on the tennisteam.She has a part-time job at Bobson's,an ice cream store.Now she works at a small decoration shop.Her blood type is A and her sign is Aries.her best friend is Meiko Akizuki.When she was in high school,she confessed her love to Ginta,but Ginta rejected her.She was sad,because she and Ginta wer good friends.But after a while,they became friends again.Then one day,when she came home from school,she finds out that her parents have decided to divorce and swap couples with another family.She is against this,until she discovers that the other family has a boy her age named Yuu Matsuura,and she falls in love with him.

Her voice is done by Kouda Mariko.