Name: Senku Ishigami His catchphrases are "Exhilarating" and "ASAP," and he often uses the modifier "ten billion percent." He has an arrogant personality, basically never uses honorifics with anyone, and always stands defiantly with a sarcastic "Kukuku" laugh. His physical strength is microscopic. A genius. Male.

Name: Gen Asagiri He has a cautious and meticulous personality, and is a brainiac with very fast mental processing. Kohaku and Senku call him a "frivolous man" or "shallow man," but he doesn't mind; in fact, he calls himself a "bat man" and has no qualms about declaring he'll "stick with whoever benefits him." He's a man who seems to have been born talking. A former mentalist. Male. Attaches "-chan" to everyone's name.

Name: Chrome His catchphrase is "Badass!" Since he was a child, he has shown interest in various things around him, such as ores and plants, collecting them and storing them in a warehouse on the outskirts of the village. He possesses the "intellectual curiosity" and "spirit of inquiry" indispensable for the development of science. Male.

Name: Kohaku She has a strong sense of justice and speaks in an archaic, stiff tone similar to her father, Kokuyo. She possesses the strongest combat power in the village. She has a tomboyish personality, and her words and actions are often the opposite of the serious and graceful Ruri. She seems to be bothered by being called a "female gorilla" by Chrome and a "lioness" by Senku, as she gets indignant about it. Surprisingly, she makes many funny faces and has diverse reactions. Although she seems thoughtless and crude at first glance, she is deeply thoughtful and compassionate at heart. Female.

Name: Ukyo Saionji Has "cheating" levels of hearing. His personality is very mild-mannered, and it's said that no one has ever seen him get angry. He plays the role of the straight man in the Kingdom of Science, which is full of eccentric characters. Perhaps because he was a Self-Defense Force officer, he adheres to a policy of non-killing and showed strong concern about the use of firearms. Male.

Name: Ryusui Nanami A bold and open-hearted man who combines great magnanimity with excellent charisma. He has the most intense emotional ups and downs, but he is also stout-hearted and has never been truly enraged. He is a self-confident man with an "I am the center of the universe" attitude and a supporter of vested interests, going so far as to say "The world is mine." He generally has a high-handed attitude. And because he is so confident, he is also proud of the body he built through effort, showing no shame even when completely naked. Male.

Name: Gakata Gintoki A young man with silver naturally permed hair and "eyes like a dead fish," his appearance exudes lethargy and a sense of weakness. His actual personality is a mass of lethargy, weakness, and irresponsibility; he goes to play pachinko even when he has no money, or goes bar-hopping until he passes out and comes home in the morning, showing a precarious sense of money. He is lewd, and sexual harassment remarks are a daily occurrence. His drinking habits aren't great either, and he has been known to make messes while dead drunk. He often provokes others with unnecessary remarks. Male. Runs the Yorozuya. Generally addresses others without honorifics.

Name: Kagura Known as the "spicy China girl," she is notably foul-mouthed, has an extremely arrogant attitude, and is unconventional and self-centered. Perhaps influenced by Gintoki, she occasionally picks her nose or makes dirty jokes unbecoming of a Jump heroine. However, on the other hand, she has a strong will and a deep sense of duty and humanity. At her core, she is a kind, motherly girl. Ends her sentences with "aru," "yo," or "ne." Employee of the Yorozuya. Generally addresses others without honorifics.

Name: Shinpachi Shimura Basically has a pure, kind, and sincere personality. Because he is surrounded by older people, he looks quiet, but he is also cheerful at heart and can interact brightly with others. He knows his manners and can handle all kinds of housework, making him a reliable person who is more mature than his age. However, when it comes to playing the straight man (tsukkomi), he is relentless even toward superiors, and depending on the situation, he may completely abandon the straight man role and join the other two at the Yorozuya in their wild antics. A virgin. Male. Employee of the Yorozuya. Attaches "-san" to everyone's name.

Name: Sogo Okita Captain of the Shinsengumi's First Division. At first glance, he looks like a beautiful boy, but in reality, he is a genius swordsman who is "black-hearted, foul-mouthed, and a total sadist." However, he is mentally fragile. He is always aiming for the position of Vice-Commander of the Shinsengumi and Hijikata's life. Because of his extraordinary sadism, Hijikata calls him the "Prince from the Planet Sadistic," and newspapers have even written him up as the "Sadist Prince." He is characterized by a low-tension, aloof way of speaking. Uses Edo-style endings like "desaa" and "desuzee." Male.