Kurosaki Koshiro is a young man who lost his family due to fraud. He decides to devote his life to take revenge against the fraudsters and become a con artist under the name "Kurosagi".

When Koshiro Kurosaki (Sho Hirano) was 15 years old, his father was a victim in a fraud case. His father tried to kill all his family members including himself. Koshiro Kurosaki was the only family member to have survived. Due to his painful past, Koshiro Kurosaki decides to take revenge on swindlers who cheat people and take their money. This becomes his purpose to live. Koshiro Kurosaki seems like an ordinary young man, who raises black cat Kuro. But, Koshiro Kurosaki doesn't trust people and lives a lonely life. Meeting with various people, he also faces his past.—AsianWiki

The stage is set in Japan in the year 2022. In a time where fraud is an imminent threat, societal issues give rise to a slew of elaborate scams. Kurosaki is a man who lost his family to a "white swindler," which is a professional swindler who scams people out of their money. In order to exact revenge, Kurosaki becomes a "black swindler," a swindler who tricks other swindlers. He swears to scam every white swindler in the world and takes on foe after foe, but can he find his ultimate enemy who robbed him of his family? This riveting revenge drama exposes the very emotions that scams exploit.—Japan Program Catalog