Miyako Koshikawa

Due to an accident, Sakura Hiraga gave up on her dream. She is now married and her husband runs a hair salon. They live in a luxurious penthouse apartment. Her life seems glamorous and she is envied by everyone. What everyone does not know is that Sakura Hiraga is abused physically and verbally by her husband. She is unable to leave her situation. Sakura Hiraga considers herself a goldfish in a fishbowl. One day, due to a goldfish, she meets a man.

After graduating from high school, Sota Koyurugi studies bakery at an institute. In high school, he fell in love with beautiful Saeko. Because of Sota's effort, he is able to have a romantic relationship with Saeko right before Christmas. Saeko though tells Sota that she will be unable to meet him on Valentine's Day, but can meet him on the day before Valentine's Day. On that day, Sota gives Saeko chocolate that he made, but she doesn't accept his gift. Saeko tells him that she didn't think they were dating. Sota is heartbroken, but he doesn't give up hope. To make Saeko love him, he travels to France with little money and studies chocolate there. This is because Saeko loves chocolate. 5 years later, Sota becomes a first-class Chocolatier. Now back in Japan, Sota opens his very own store.