Yeonwoo and Jisoo are childhood friends who both know they have feelings for each other, but struggle to express them and end up misunderstanding each other. Despite attending the same school from kindergarten to college, they never find the right time to confess their feelings. Over time, their obstacles only grow, and neither of them is successful in confessing. Their failed attempts seem to only push them further apart. When will they be able to communicate their feelings?