Su Yi is Su Ning's former girlfriend. They were together for eleven years, but she ended the relationship because she felt Su Ning lacked ambition and financial stability. She is practical and materialistic, believing happiness requires material foundation. After the breakup, she is angered when she learns Su Ning contacted her parents, accusing him of being desperate. She blocks him and declares they are over. Despite this, she is not entirely cold, as their relationship had good memories.
