Because of love at first sight in the spring of 15 years old, Xiaodong Shota (played by Jun Matsumoto) started a bitter love for the beautiful senior Saeko (played by Satomi Ishihara) throughout high school. This unchanging feeling finally came to fruition on Christmas Eve. After a few months of tepid dating, Shota was easily dumped by Saeko. He thought he was "cheated", but Saeko never admitted their relationship. In order to win back his beloved Saeko, Shota, who graduated from a pastry school, went to Paris to study at Saeko's favorite chocolate workshop "Happiness Workshop", determined to become a chocolate craftsman. Six years later, Shota became successful and returned to China with a halo to open a shop, becoming a very eye-catching "Chocolate Prince". All this is actually for Saeko who loves chocolate. Finally, the goddess in his heart, Saeko, appeared in Shota's shop. This time, will she change her mind... This drama is adapted from the manga of the same name by Mizuki Yukina.