The Last Lock of Love

Chat, a product developer who lives life freely and embraces one-night stands, unexpectedly comes face-to-face with Seung U, his new manager and the man he spent the night with. What was supposed to be a one-night affair becomes the beginning of a rivalry filled with misunderstandings and feelings neither of them can deny. Because sometimes... love is just like product development, it takes countless trials and experiments to finally achieve the best result.