The novel version of the second self-produced drama "Dangerous Friendship" by Korean super-popular idol group SuperJunior.
The person he loves loves others like crazy. But that person cannot be replaced no matter how hard he tries, because he - doesn't deserve it.
Young Sung Min's love, confused feelings, did he meet Kui Hyun because of the loss of his girlfriend Hui Jiao, or did he lose Kui Hyun because of Hui Jiao? If it was just a mistake from the beginning, why did he let him make the same mistake again and again?
"I'm sorry, I love you, it has nothing to do with Huijiao..."
Intention: