Sungmin left Kyuhyun for almost 1 year and 7 months and now he backed and asking Kyuhyun to be his boyfriend again as if nothing happened between them. Kyuhyun was still mad at Sungmin. He wants to know the reason why Sungmin left him before but one day, he found out Sungmin's secret. What he can do? All he can do was cry, for being a bad boyfriend to Sungmin. If he can back the time, he would. But now, it's too late to do that.