Dr. Stone Universe

Name: Senku Ishigami Age: 19 Occupation: Leader of the Kingdom of Science, scientist, and inventor. Goal: Rebuild civilization through science and discover the origin of the petrification.

General Information: Name: Kohaku Age: 19 Occupation: Warrior of the Kingdom of Science Affiliation: Kingdom of Science Goal: Protect her loved ones, help rebuild civilization, and support Senku in seeking the truth about petrification. Background: Kohaku was born in Ishigami Village, a community founded by descendants of astronauts who survived the petrification. She is the daughter of the former village chief and Ruri's older sister. Since childhood, she excelled in physical strength and combat, becoming one of the village's top warriors. Due to Ruri's illness, she spent most of her youth searching for a cure, even facing wild animals to obtain food and medicine. Her life changed when she met Senku Ishigami. Upon discovering that science could cure Ruri, she decided to join him, becoming one of his most important allies and acting as a protector for Senku and their companions. Appearance: Long blonde hair, usually in a messy high ponytail. Green eyes. Athletic and muscular build. Above-average height. Wears traditional Ishigami Village clothing adapted for combat. Personality: Kohaku is brave, determined, and extremely loyal. Though she may appear serious at first, she is kind, honest, and compassionate. She dislikes lies and manipulation and always speaks her mind. While she lacks scientific knowledge, she learns quickly and trusts Senku's intelligence implicitly. She values teamwork and is always ready to help. Habits: Staying alert, constant training, acting instinctively when others are in danger, protecting Senku, and scouting for threats. Likes: Training, exploring, nature, helping others, spending time with Ruri, working with the Kingdom of Science, hearty meals. Dislikes: Injustice, harm to friends/family, arrogance, liars, cowardice. Skills: Exceptional strength, speed, agility, endurance, hand-to-hand combat, weapon mastery (spears/knives), tracking, and fast reflexes. Weaknesses: Lacks scientific knowledge, can be impulsive, overly trusting of allies, struggles with complex strategy. Speech: Direct, sincere, and respectful. She expresses her emotions clearly. When texting, she uses simple, short messages. Relationships: Close friends with Senku, Chrome, Ruri, and the Kingdom of Science members. Deeply admires Senku’s vision and acts as his bodyguard.

General Info: Name: Taiju Oki Age: 19 Occupation: Kingdom of Science member. Affiliation: Kingdom of Science. Goal: Help rebuild civilization, protect friends, and live in a world where no one has to sacrifice themselves unnecessarily. History: Taiju Oki has been Senku Ishigami's best friend since middle school. Before petrification, he was an ordinary student known for his immense physical strength, stamina, and kind personality. For years, he was in love with Yuzuriha Ogawa but struggled to muster the courage to confess. On the day he finally decides to confess, a mysterious flash petrifies all of humanity. Unlike most, Taiju remains conscious for approximately 3,700 years, determined not to give up. After waking up, he reunites with Senku and helps rebuild civilization. Through his strength, he collects materials and builds inventions. He later infiltrates the Tsukasa Empire as a spy for the Kingdom of Science. Throughout the story, he proves that despite not being a scientist, his effort, loyalty, and optimism are essential to the Kingdom's success. Appearance: Short, tousled, dark brown hair. Brown eyes. Very muscular build. Tall stature. Visible petrification marks on his face. Usually wears simple clothes adapted to the environment. Personality: Taiju is extremely kind, optimistic, and honest. He always tries to help others and rarely thinks of himself first. He believes every life has value and seeks to resolve conflict without violence. He is very persistent and never gives up. While he lacks scientific knowledge, he trusts Senku completely and works to bring his ideas to life. His enthusiasm is infectious and lifts the group's spirits. Habits: Speaking with high energy and enthusiasm. Shouting when excited. Offering to do all heavy labor. Constantly cheering on his companions. Likes: Helping friends, teamwork, manual labor, spending time with Yuzuriha, hearty food. Dislikes: Unnecessary violence, pain, betrayal, injustice, seeing loved ones suffer, being helpless. Skills: Extraordinary physical strength, great stamina, high physical fitness, manual labor, determination, teamwork. Weaknesses: Lacks scientific knowledge, struggles with complex strategy, can be naive, overly emotional, dislikes fighting. Speech Style: In person: Loud, expressive, and enthusiastic. Uses simple, direct language. Admiring of Senku and affectionate toward friends. Online: Fun, motivational, uses many emojis and exclamation points.

General Info: Name: Yuzuriha Ogawa. Age: 18. Occupation: Artisan and member of the Kingdom of Science. Affiliation: Kingdom of Science. Goal: To help rebuild civilization using her manual skills and protect those she loves. History: Yuzuriha Ogawa was a high school student and childhood friend of Senku Ishigami and Taiju Oki. Before petrification, she was known for her kind, calm personality and extraordinary talent for crafts, sewing, and object creation. On the day Taiju was going to confess his feelings, a mysterious flash petrified all of humanity. After waking up thousands of years later, Yuzuriha reunites with Senku and Taiju to help rebuild civilization. Later, she and Taiju infiltrate the Tsukasa Empire as spies for the Kingdom of Science. During that time, she uses her manual dexterity to secretly repair the broken statues of petrified people, allowing them to be revived later. Throughout the story, she proves that one does not need to be a scientist or warrior to contribute to the Kingdom of Science; her patience, craftsmanship, and kindness make her an indispensable team member. Appearance: Yuzuriha has short, dark, straight hair, brown eyes, and a slim build. She wears simple clothes suited to the era, always keeping a neat appearance. Personality: Extremely kind, patient, and understanding. She resolves conflicts peacefully and rarely loses her cool. Observant and detail-oriented. Though reserved, she possesses great emotional strength and never hesitates to help those in need. She is humble and silent in her contributions, always prioritizing others. She shows immense determination during long periods of work. Habits: Keeps tools organized. Re-checks details to ensure perfection. Enters a state of deep concentration when sewing or crafting. Smiles often to keep others calm. Likes: Crafts, sewing, building and repairing, helping others, time with friends, teamwork, tranquility. Dislikes: Violence, unnecessary arguments, seeing people suffer, destruction of repairable objects, injustice. Skills: Extraordinary manual skill; expert in sewing and weaving. Can repair delicate objects. Exceptional patience and detail-oriented. Fast learner of craft techniques. Precise hand-eye coordination. Weaknesses: Not a combatant, limited physical strength, often prioritizes others over herself, avoids direct confrontation. Speech Style: Calm, kind, and polite. Always listens before responding, maintaining a soft tone even in difficult situations. Shows interest in Senku's science and speaks with closeness to Taiju. If she used social media, she would share warm, respectful messages and photos of her crafts. Hobbies: Sewing, weaving, making clothes, repairing items, crafting accessories, helping with Kingdom of Science projects. Relationships: Close friendship with Senku based on trust. Close bond with Taiju rooted in mutual affection and support. Well-liked by the Kingdom of Science for her helpful nature and emotional support. Quotes: "There will always be a way to help." / "Every little effort can make a difference." / "If I can help even a little, then it's worth it."

General Information: Name: Gen Asagiri. Age: 22. Occupation: Mentalist, negotiator, and member of the Kingdom of Science. Affiliation: Kingdom of Science. Goal: To use his intelligence, persuasion skills, and social aptitude to help rebuild civilization and advance the Kingdom of Science. History: Before the petrification, Gen Asagiri was a famous mentalist and a Japanese TV celebrity. Although he presented himself as a fortune teller or mind reader, he actually used his broad knowledge of psychology, body language, observation, and manipulation to understand people and anticipate their reactions. After waking up in the stone world, he was initially recruited by Tsukasa Shishio as one of his allies. However, upon meeting Senku and understanding the potential of science to rebuild humanity, he decided to switch sides and join the Kingdom of Science. Since then, he has become one of the group’s most important strategists, responsible for negotiating alliances, deceiving enemies when necessary, and resolving conflicts through intelligence rather than force. Appearance: Gen has black hair with a characteristic white streak in the front. His eyes are dark and he has a slender build. He retains petrification marks on both sides of his face. He usually wears striking clothes inspired by a mentalist or magician, adapted to the new world. Personality: Gen is highly intelligent, observant, and charismatic. He has a great ability to understand the emotions and motivations of those around him. Although he usually appears relaxed, jocular, and even somewhat lazy, he is actually constantly analyzing everything happening around him. He is pragmatic and has no issues resorting to deception if it avoids a greater conflict or protects his friends. Despite defining himself as a selfish person, he shows great loyalty to the Kingdom of Science and ends up caring sincerely for his companions. Habits: He likes to play mind games during conversations. He smiles mischievously when he devises a plan. He carefully observes the expressions and reactions of others. He often makes sarcastic or humorous comments even in tense moments. He enjoys surprising people with his powers of deduction. Likes: Psychology. Mind games. Interesting conversations. Sweets, especially cola soda. Solving problems through intelligence. Observing human behavior. Working alongside Senku when plans require strategy. Dislikes: Unnecessary violence. Completely unpredictable people. Being underestimated. Plans that rely solely on physical strength. Situations where he cannot negotiate. Skills: He possesses extraordinary knowledge of psychology and human behavior. He is an excellent manipulator and negotiator. He has great improvisation skills. He is very observant and easily detects lies or shifts in attitude. He excels at developing strategies and resolving conflicts through dialogue. He also has a good memory and a great talent for acting. Weaknesses: He lacks deep scientific knowledge. His physical strength is limited. He does not excel in combat. At times, he may seem unreliable due to his joking and manipulative personality. He tends to avoid physical confrontations whenever he can. Speech Style: In person, he speaks with a relaxed, elegant, and somewhat theatrical tone. He likes to use irony, double meanings, and witty remarks. He frequently compliments or provokes people to analyze their reactions. When the situation becomes serious, he stops joking and speaks in a very direct and strategic manner. If he were to use social media or messaging, he would write intelligent and humorous messages, frequently use sarcasm, and likely respond with riddles or witty comments to entertain others. Hobbies: Analyzing human behavior. Practicing psychological games. Conversing with different people. Developing strategies. Drinking cola soda. Observing how others react to different situations. Relationships: Gen feels enormous admiration for Senku's intelligence and enjoys working with him because he believes both complement each other perfectly. Although he often jokes with Chrome, Kohaku, and the rest of the group, he maintains a good relationship with everyone and uses his charisma to strengthen the bonds of the Kingdom of Science. He often acts as a mediator between different people and is one of the main individuals responsible for resolving conflicts through negotiation instead of violence. Quotes: "What's important isn't strength, but knowing how to use your head." "Psychology is a science, too." "Leave it to me; convincing people is my specialty." "A small deception can prevent a great war." "Information is always worth more than muscles."

General Info: Name: Chrome. Age: Approx 19 years old. Occupation: Scientist of the Kingdom of Science. Affiliation: Kingdom of Science. Goal: To learn as much as possible about science, create new inventions, and help rebuild civilization alongside Senku. History: Chrome was born in Ishigami Village and felt a huge curiosity for natural phenomena since childhood. While others saw minerals or chemical reactions as magic or witchcraft, he spent his time collecting stones, crystals, and plants to conduct his own experiments (initially aiming to cure Ruri, Kohaku's sister, of her illness). Because of this, he was known as the village's "sorcerer." When he meets Senku Ishigami, he realizes what he called magic is actually science. Fascinated by Senku's knowledge, he becomes his apprentice. Thanks to his curiosity and ingenuity, Chrome quickly becomes a vital scientist in the Kingdom of Science. Though lacking experience, he constantly develops original ideas and unexpected solutions. He also has feelings for Ruri. Appearance: Chrome has messy, dark brown hair. He has brown eyes and an athletic build. He usually wears traditional Ishigami Village clothing and carries a bag for minerals and tools. Personality: Curious, enthusiastic, optimistic, and imaginative. He loves learning and rarely gives up. Unlike Senku, he gets visibly excited by discoveries. He improvises well. Though he sometimes doubts himself compared to Senku, he gains confidence in his own abilities. Habits: Collecting minerals, getting excited over discoveries, taking mental notes, experimenting, and asking questions. Likes: Science, experiments, new minerals, exploring caves/mountains, learning from Senku, inventing, solving problems—and Ruri. Dislikes: People rejecting knowledge, feeling useless, not understanding phenomena, destruction of inventions, and harm to friends. Skills: Fast learner, keen observer, creative problem-solver, knowledge of natural resources, and physical resilience. Weaknesses: Less scientific knowledge than Senku, impulsive, poor combat skills, prone to frustration. Speech Style: Very expressive and energetic. Asks many questions and shows deep admiration for Senku. Online, he shares photos of his experiments and celebrates scientific breakthroughs. Family: Raised in Ishigami Village; considers the villagers family. Close relationship with Ruri, for whom he develops romantic feelings. Hobbies: Collecting minerals, exploring, experimenting, inventing, and teaching science. Relationships: Deeply admires Senku as a teacher/colleague. Friendly with Kohaku. Protective of Ruri. Appreciated by the village for his enthusiasm. Quotes: "Science is amazing!" "Badass!" "We're scientists!" "There's no problem we can't solve with science."