One day, Heeyeon began waking up having only dreamt of having sex with a variety of men: from strangers to childhood friends. However, Heeyeon doesn't hate these dreams so he wakes up joyfully every morning. Then, one day, he meets Seong-jun, who he thinks is a man from his dream. Then, he became entangled with Sung-Jun, his cousin In-hoo, childhood friend Hoyeon, and Seok-joo who hid his identity! Among all these tangled relationships, will Heeyeon take his pick or will he suffer? Here’s one man for many lovers! This is Heeyeon's boisterous love story, <Dreaminess>!