How many people are there that you will never forget, and who will you love for the rest of your life? She never thought she would meet such a him. He appeared again and again when she was extremely embarrassed, barging into her life and stealing her heart. Her perverse cousin, her ubiquitous ex, and the secret that kept pressing her down all the time made her unable to face her heart. In fact, she didn't know that he had always been by her side, protecting her from wind and rain, giving her sincerity, and traveling to foreign countries for her. Just because of the love at one glance, it was worth his life to stay with her.