Kim soo / Ana

During school days, Sunghyun was diagnosed as an omega. During his childhood, he became friends with four people and soon they were cut out of his life. He reunite with them whom he thought he would never meet again. One day, Sunghyun was surrounded by four alphas who were coincidentally his childhood friend. They were all in heat and no matter how much pills he took to lessen the heat, it was impossible…