For Park Ki-Yoong, someone who’s reached the peak of his sex drive, having an orgasm was the best joy of his life.As the saying goes, patience will persevere, Park Ki-Yoong desperately aims to enjoy the free night with the girl he loves,whom awaits outside ut, what’s this dream? Whenever he has an orgasm, the time rewinds.Will he ever be able to shift himself away from the time rift?