My Hyung’s Sunbae

After finishing his studies abroad Injun returned to his older lover ,Kwon Saein …only to find out he is been cheating with Jaekyung , who is rumored to be a rich playboy …When Kwon Saein was about to get into a huge accident both Injun and Jaekyung tried to save him & ended up in an accident … After waking up after a long time, Injun woke up only to realized he is inside Jaekyung’s body …??