Nana and Hongbin has been together for 2 years now. Everytime they spent time together, Hongbin always smile eventhough he been through hard time. But now since Vixx's comeback - Error, he been avoiding Nana. He also never smile and always beating Nana if he was stressed. On the other hand, Nana is pregnant with his child. Everynight, she always pray in her tears that when she wake up in the morning Hongbin will smile like always.