1x3 - Lovely Runner

Sun Jae wins the gold medal at the competition, and he decides to confess his feelings for Sol. But due to unexpected events, it’s not as easy as it seemed. Sol thinks that she has changed the future, but Sun Jae gets hurt during practice. Sun Jae decides to quit swimming, and it makes Sol heartbroken. Sol tries to comfort Sun Jae, and Sun Jae finally confesses his feelings for her.