Bai Ruobing and Song Wanyi were a couple during college, but later broke up due to various reasons. Ten years later, Bai Ruobing came to Hokkaido, Japan for work reasons, but here she met Song Wanyi, whom she had not seen for ten years. In a world where we meet again, can two hearts stick together again? This is a story written by Bai Ruobing recalling the past when she was 35 years old.