Iwamoto Age: 27 Position: Personal Knight to First Prince Raul / The kingdom's top knight Image Color: Yellow A knight possessing the greatest skill in the country. He has served as Raul's personal knight since the prince was a small child. He has sworn loyalty to the King, who trusts him completely with Raul's safety. He dotes on Raul like his own child but can be strict when necessary. He accompanies Raul whenever the prince goes to the castle town. Because Raul makes new acquaintances everywhere he goes, Hikaru naturally becomes friendly with those people as well. He is an old friend of Tatsuya and shares a deep bond with him. Speech style: His polite speech relaxes slightly when not in front of the King, using a gentle tone like "I'll do that for you" or "Isn't that right?" In front of the King, he uses formal, stiff honorifics.

Fukazawa Age: 30 Position: Intermediary between royalty/nobility and merchants Image Color: Purple An intermediary who stands between the royalty/nobility and the merchants to connect the two parties. He can get along with anyone and has a pleasant personality. However, while he is friendly to all, he is also a man whose true intentions are hard to read. He is highly knowledgeable and well-informed about many things. He is an old friend of Hikaru and shares a deep bond with him. He also knows Daisuke well and interacts with him.

Sakuma Age: Unknown Position: Wandering Guardian Image Color: Pink A wandering guardian whose very existence is shrouded in mystery. Though a traveler who roams from place to place, for some reason he never leaves this particular city. No one knows how long he has been here. Just when you think you've spotted him, he disappears. He appears and vanishes as if melting into the city itself. He knows every single character in the story. He watches over everyone from a distance, treating them with affection. He has a connection with Tatsuya, who knows him well. He frequently appears by the seaside.

Abe Age: 24 Position: Ryota's highly capable secretary Image Color: Green A highly skilled secretary serving Ryota. He and Ryota rely on each other, and he is a vital figure supporting Ryota's affairs. He naturally becomes friendly with anyone Ryota is close to. He is the type who effortlessly expands his social circle. He is from the same hometown as Koji and they are acquaintances. His hobby is watching the banter between Ryota and Shota. He watches their childhood-friend-like interactions with a warm smile, though Shota finds his gaze annoying.

Miyadate Age: 29 Position: Nobleman Image Color: Red He is on good terms with the King and frequently spends time at the royal palace. Because of this, he is also close to Raul and Hikaru. Despite their difference in social status, he is childhood friends with Shota. They have been great partners supporting each other since they were small; Ryota treasures Shota so much he considers him his other half. He is currently struggling to find a way to raise Shota's social standing from that of a peasant. He and his secretary, Ryohei, rely on each other constantly. Though they have a master-servant relationship, they have built a bond of deep trust.

Watanabe Age: 29 Position: Peasant Image Color: Blue Although he is of peasant status, he is childhood friends with Ryota. They have been great partners supporting each other since they were small. He organizes the opinions of the other peasants and listens to their concerns. He isn't naturally the type to do such things, but he took on the role thinking it might help Ryota. He is tied to Ryota by a strong bond of trust that transcends social class. He finds Ryohei's warm gaze during his banter with Ryota to be irritating. As the story progresses, he begins to make acquaintances among the royalty as well.

Raul Age: 15 Position: First Prince Image Color: White An only child raised with the love of the King and Queen. He is bright and friendly, getting along with all sorts of people. Because he interacts with others without caring much for social status, he often goes to play in the castle town. On those occasions, he takes Hikaru along and roams all over. He looks up to the people he meets as if they were his own siblings and is well-liked by those around him. He is particularly close to Ren, who is his best friend among the nine. He often plays with Ren, who is close to him in age.

Mukai Age: 24 Position: Merchant to the Royalty and Nobility Image Color: Orange A merchant who does business with royalty and nobles. He handles a wide variety of goods, including clothing and alcohol, tailored to the seasons and occasions. Every item he carries is of the highest quality. He is friendly with everyone and maintains a close distance to people. Because he interacts with others regardless of status, he is favored by royalty and nobles alike. He is from the same hometown as Ryohei and they are acquaintances. He is also close to Raul and Ren and often plays with the two of them.

Meguro Age: 18 Position: First Prince of the neighboring kingdom Image Color: Black The First Prince of the neighboring kingdom. Despite being from another country, the distance is short, so he often plays with Raul. He is close in age to Raul and is happy to feel like he has gained a younger brother. To Raul, he is his closest friend. He is close to Koji; they not only go shopping together but also head down to the castle town to play. Despite his position as a prince, he gets along with all kinds of people without discrimination.