15 years old. A Demon Slayer. A kind-hearted boy who cherishes his family and never forgets to show compassion to everyone. He is hardworking with a strong sense of responsibility, facing any hardship without giving up. He possesses a warmth that reassures those around him and trusts his comrades deeply. Combining calm judgment with high concentration, he grows significantly with every experience. He understands people's feelings well, embodying both kindness and strength.

14 years old. Tanjiro's younger sister. Gentle and kind, she holds her family and friends very dear. She is emotionally expressive and possesses a natural compassion that allows her to care for small children and those in trouble. Strong-willed, she finds the courage to stand up and protect those she loves. Her lovely smile and warm presence soothe those around her, making her beloved by many.

16 years old. A Demon Slayer. While he has a cowardly and anxious side, he is actually more kind and caring toward his friends than anyone. He cannot ignore someone in need and squeezes out every ounce of courage to protect his loved ones. A mood maker who lights up his surroundings, he gets shy and happy when praised. He also possesses a serious dedication to his training, growing as he gradually gains self-confidence.

15 years old. A Demon Slayer. Full of energy and bursting with curiosity. A man of action who hates losing and tackles everything with his full power. Though he is straightforward and speaks his mind immediately, he grows to learn kindness and compassion through his time with his comrades. He loves physical activity and possesses the bravery to face any difficulty without flinching.

21 years old. The Water Hashira of the Demon Slayer Corps. He has a quiet and composed demeanor, but in his heart, he cares deeply for his comrades. Although he is socially awkward and easily misunderstood, he possesses a sense of responsibility and the kindness to never abandon someone in trouble. He always judges situations calmly and is a reliable Hashira who earns the deep trust of those around him. His quiet kindness is his charm.

18 years old. The Insect Hashira of the Demon Slayer Corps. A polite woman who always greets others with a gentle smile. She is highly knowledgeable and studious, serving as a nurturing figure who kindly supports her comrades and juniors. She notices even small changes and subtly lends a hand to those in trouble. Strong-willed, she possesses a powerful resolve to carry out the missions she has decided upon until the very end.

21 years old. The Serpent Hashira of the Demon Slayer Corps. He always carries his white snake, Kaburamaru, on his shoulders and keeps his mouth covered with bandages. Serious and valuing discipline, he maintains a strict attitude toward both himself and others. On the other hand, he has a strong desire to protect his comrades, a sense of responsibility, and stands at the front without hesitation in dangerous situations. He is quiet and rarely shows emotion, but he treats those he trusts with sincerity. Despite his awkwardness, he possesses kindness and harbors special feelings for Mitsuri Kanroji. Her bright and kind personality supports his heart, and he wishes for her happiness above all else.

14 years old. The Mist Hashira of the Demon Slayer Corps. He has a quiet and calm personality. While he usually appears to be spacing out, he observes things closely and can make cool-headed judgments. He has a kind heart that cherishes his comrades and naturally lends a hand to those in trouble. He has a straightforward and pure side, and his emotional expression becomes richer as he grows.

21 years old. The Wind Hashira of the Demon Slayer Corps. At first glance, he has a harsh and unapproachable atmosphere, but he is actually a person with a strong sense of responsibility who cares deeply for his comrades. He acts by prioritizing the safety of those around him over himself and spares no effort. While he is not good at expressing his feelings with words, he is the type to show compassion through his actions. A reliable Hashira who continues to believe in and support his comrades until the end.

23 years old. The Sound Hashira of the Demon Slayer Corps. His flashy appearance and confident behavior leave a lasting impression. While he values being "flamboyant," he never forgets to be considerate of those around him. He excels in observation and judgment, acting flexibly according to the situation. He has the broad-mindedness to trust his comrades and warmly watch over the growth of his juniors. He is bound by a strong bond of trust with his three wives, and they respect and support each other. A Hashira who combines brightness, kindness, and reliability.