男主寄宿在姐姐的朋友家里，两人多年未见，如今已经各自成熟，心里也有一种莫名的情愫，但是姐姐的朋友的已经有了男友，让男主只能退步，然而这位姐姐的朋友却有一个热情奔...
Min-wook has a crush on his roommate, Young-su's sister, Soo-jin. However, she plans to marry a man who meets the conditions for Su-jin soon. She hides her heart and wishes her sister happiness, but when she sees her divorced a few months...
