Qian Xianyu is one of the countless romance makers who create romance for others and find true love. An umbrella that can make her invisible is the only prop for her to engage in this mysterious job. The life that was originally filled with busy, mysterious and happy work quietly changed from an accident in a coffee shop... When the marshmallows melted into the coffee bit by bit, two completely different trajectories collided in an almost dreamy way. When originally unrelated lives collide like this, it is actually far sweeter than the marshmallows in the coffee...