King's Maker manhwa volume 1 features story by Haga and art by Kang Jiyoung.

When Wolfgang is forced to move into the royal palace and take up his rightful seat as the fourth prince of Goldenleonard, he catches the eye of Soohyuk Shin, the son of the minister of foreign affairs. Soohyuk, forced to serve as one of the king's beloved “sovereign darlings,” is looking for someone to play the leading role in a daring scheme. So far, all the other princes have disappointed Soohyuk, but Wolfgang is different—and he might just be the key to overthrowing the king.