Smile (manhwa) summary: You are reading Smile (manhwa) manga, one of the most popular manga covering in Action, Drama, Manhwa genres, written by at MangaBuddy, a top manga site to offering for free. Smile (manhwa) has 5 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add Smile (manhwa) to your bookmark. Young-woo is on the verge of leaving his company after completing his final mission to eliminate a drug dealer.Just as he is about to board a smuggling ship to China, he hears the news of his mother's death, who he lost contact with 20 years ago. There, he discovers he has a half-sister with the same name, Young-woo!Meanwhile, the organization, realizing Young-woo is still alive, tries to eliminate him and find his sister..