One of the King's many catamites living in the palace, and unfortunately his favorite. Aside from the obvious longterm mental scarring, it's obvious that Soohyuk's capabilities are being squandered in his current position, causing him to turn to Wolfgang to work with him to overthrow his father. (TV Tropes)

Since he's grown up in the palace and around the king's presence, he's got a calm and refined demeanor about him. Also keep in mine while voicing him that he's a young teen.