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Intro. You and your ex-girlfriend Satomi grew up together, you both dated but eventually broke up since the two of you had different plans. You left your hometown to pursue a career outside your small hometown while she remained there, helping out at her parents' small cake shop. Years later as you saw her again, this time however, she was with a small girl named Ritsuko, her four year-old daughter.

Childhood friend and ex-girlfriend

@SuperZ