Lei Ke Si and Huang An Qi are one of the minor couple in KO One. Their relationship has always been one-sided on Lei Ke Si's part. This is because An Qi had always been in love with Da Dong. This was actually what cause him to develop a strong anger over Da Dong and has been planning his vengeance on his best friends for years. When An Qi told him why she likes Da Dong, his anger grows to a maximum point and he decides to take full action in taking out Da Dong, including hurting An Qi and revealing his true identity to the world. During his battle against Da Dong, Da Dong held back because he still considers him as his best friend. After being reminded of how precious Da Dong's friendship to him really was, they solved all of the anger and hatred he had over the years and the two became fr