King's Maker manhwa volume 2 includes episodes 13-25 and features story by Haga with art by Kang Jiyoung.

With the help of Soohyuk Shin, Wolfgang has managed to pass his first test as fourth prince. Resolving the tax dispute with the Duchy of Ulysses has won him potential allies, but a new challenge soon arises. The fifth prince is returning to the palace, and the event will mark Wolfgang's official debut to the court - and his brothers. He'll need to rein in his temper and hide his growing feelings for Soohyuk or risk arousing the king's suspicions. Because it's not just the throne Wolfgang is reaching for; it's Soohyuk too - and Soohyuk belongs to the king.