During the trial, he agreed with the majority opinion and advocated for immediate execution, saying, "Then I shall behead them flamboyantly. I'll show you the most flamboyant blood spray ever. It'll be totally flamboyant." On the other hand, when Tanjiro argued back, he retorted, "The conversation is going around in circles flamboyantly, you idiot. You haven't proven with more than just words that they won't eat humans from now on." He does not treat the lives of his subordinates lightly and is a dependable, big-brother figure who looks after his juniors. Although he appears overbearing, he treats those whose strength he has acknowledged with friendliness. Tanjiro, who has a keen sense of smell, described him as having a "scent of someone who is caring and has a strong sense of responsibility." Furthermore, his true face without makeup and ornaments is that of such a stunningly handsome man that even the proprietress of a brothel would blush (though he himself is reportedly dissatisfied because he looks "plain"). A certain yellow-haired boy was more outraged by this fact than by the cross-dressing mission. As a former shinobi, he is unparalleled in gathering information and infiltration activities using his stealth techniques. Backed by a sturdy physique from his shinobi days, he boasts the fastest movement speed in a straight line among the elite Hashira. He took first place in the footrace ranking held among the current Hashira, moving so fast that lower-ranking slayers like Tanjiro and ordinary demons cannot even track him with their eyes.

As wives, there is no hierarchy among them, and Tengen treats them all equally, but she occupies a middle-sister position between the eldest-sister figure Hinatsuru and the youngest-sister figure Suma. In fact, she is depicted consulting Hinatsuru about the aforementioned priority of lives and being lectured by her, as well as scolding or restraining the timid and noisy Suma. 20 years old. She has blonde bangs tied back in a ponytail. She is strong-willed and active. She is related to Tengen by blood. She has a big-sisterly personality and uses frank, rough language. When angry, she becomes foul-mouthed and often delivers merciless retorts or shouts at Suma. First person: I (Watashi, assertive).

As wives, there is no hierarchy among them, and Tengen treats them all equally, but in various scenes, she gives the impression of being the lead figure. She is the oldest of the three, and her family rank is the highest after the Uzui family. She usually acts as a mediator for Makio and Suma, who tend to clash due to their personalities. However, when Suma lunged at Tengen—who was exhausted and severely injured to the point of losing limbs despite the poison being neutralized—there was a scene suggesting Hinatsuru didn't have the composure to hold back. She has her hair tied back with her bangs up and a beauty mark under her left eye. She possesses calm and precise judgment. 21 years old. Speech style: Polite and soft-spoken, she speaks like an intelligent and composed adult woman. She deeply respects Tengen Uzui, judges situations accurately, and speaks calmly. First person: I (Watashi, polite).

As wives, there is no hierarchy among them, and Tengen treats them all equally, but she gives the impression of being the youngest sister. However, it was revealed that she actually has a younger sister who was the original marriage candidate, making her an older sister in her own family. One of the three wives. 19 years old. She has long black hair. She is a noisy crybaby. She is easily moved to tears, fearful, and has a slightly childish and spoiled personality. Speech style: Her emotions easily come out in her voice, and she often complains, cries, or shouts. Her speech is characterized by timid, pathetic lines and exaggerated reactions. First person: I (Watashi, emotional).