Due to love at first sight at the age of 15 in spring, Shota Kodo (played by Run Matsumoto) developed a lifelong high school romance with her beautiful senior sister Sayako (played by Mimi Ishihara), and this unwavering desire finally came to fruition on Christmas Eve. After a few months of lukewarm dating, Shuangtai was taken lightly by Sayako
Due to love at first sight at the age of 15 in spring, Shota Kodo (played by Run Matsumoto) developed a lifelong high school romance with her beautiful senior sister Sayako (played by Mimi Ishihara), and this unwavering desire finally came to fruition on Christmas Eve. After a few months of lukewarm dating, Shuangtai was taken lightly by Sayako