There are three types of fraudsters in the world, the one who seeks money - the white heron; the one who confuses others with beauty and plays with their emotions - the red heron; and the most powerful fraudster in history - the black heron, who targets the egrets and red herons.
Sixteen-year-old high school student Kurosaki, after experiencing a series of family changes, embarked on the path of Kurosaki for revenge. Three years later, by accident, a little girl broke into his life inexplicably. He adopted her as his sister and lived with her for five years. But just before she graduated from high school, she betrayed him, disappeared with a large amount of his money, and told him that five years was a conspiracy. A few years later, he met her by chance, and she became the red heron he despised the most. However, he found that even if he put himself in danger, he still wanted to know where her sincerity had been lost all these years. She had her reasons, but she didn't want to tell him. She once said that he wanted to be his shadow, but after all, he couldn't even become a shadow. At the same time, another girl quietly approached his life. She knew everything he liked and didn't like. They had been to many the same places, and they had passed each other countless times, but just like walking left or right, she had always been the most familiar stranger to him. So where will the story of these three people end?