Ni Ke Xin is an actress from Mainland China. She officially stepped into the entertainment industry by playing the lead role in the youth short film "How Many Can You Love in a Lifetime? One is Enough." On December 16, 2019, she played a Western music violinist Zheng You'en in the inspirational school and youth musical drama "Our Shiny Days." Her role is a beautiful young girl who was the proud campus belle, but she gradually accepts folk music as she spends time with her folk music bandmates. In 2019, Ke Xin played the lead role in the first all-girls locked-room mystery mini-drama "The Girls." Her character Jiang Yuanyuan is an optimistic, enthusiastic, and helpful girl. That same year, she guest-starred in the movie "Warm Hug," which premiered in many theater chains. She played the role of Nurse Zhen, who always wears a warm smile on her face. On September 29, 2020, she acted in the school drama, "Summer Again," a work adapted from a very popular webtoon. The character she played is a young ballerina who transfers back to Xihai Town from a big city. After meeting her childhood friend again, they get entangled in a love-hate relationship and end up healing each other.