KO One Re-call (; literally: "The Ultimate Class 5") is a 2018 Taiwanese drama starring Win, Brent, Evan Ma, Wes, Huang Wei-jin, Zhiwei, Sylvia Wang, Calvin Chen and Tsai Yi-chen. It was produced by Comic International Productions (可米國際影視事業股份有限公司), it started filming on April, 2017 and wrapped on August 4, 2017. it was first broadcast in Taiwan on IQiyi Taiwan on January 22, 2018 to February 26, 2018.