Chocolate Confession is a romantic love story between two best friends. One of them is Cloud, and the other is Darius. They are both love interests of the protagonist Kaori. They both want to confess to her. But their plans are different. They want to confess on the same day and in the same way. So they decided to play a trick on her. They decided to make her think they would spend the day together. In fact, they are going to spend the day apart. 

This is a love triangle between two best friends with different plans for the day. Kaori is the protagonist and must make a life-changing decision. Her friends plan to prank her by pretending to spend the day together.