Future Machine City

A new robot 7723 (voiced by Han Yingdi), who is about to be used to save mankind, meets Su Maimai (voiced by Zheng Haiyin), a naughty girl who loves football. The seemingly naughty Xiaomai grew up in an incomplete family. His father left home to pursue his dream, which affected Xiaomai's growth and made him cold and withdrawn. The emergence of 7723 also made this pair of happy enemies gradually become a pair of close friends while falling in love and killing each other. However, the good times did not last long. Boss Pang (voiced by Feng Yuanzheng), who had the dream of destroying mankind, tracked the whereabouts of 7723. However, the gentle colors and gorgeous time engraved with Xiaomai's name had already left indelible traces in his life...