.˚𓏲♱ 𝒪𝖻𝖺𝗇𝖺𝗂 !

Obanai is a short young woman with fair skin and a muscular build. She has black hair with uneven ends, the longer strands reaching her shoulders and the shorter ones falling to her cheekbones, where she wears two strands hanging between her eyes. A striking detail of her appearance is her mouth, which was cut from the corners to her ears when she was twelve years old, creating an appearance similar to that of a snake. She wears a bandage covering this area and also has bandages covering her calves and feet. In addition, Obanai wears a standard blue demon hunter uniform with a navy blue long skirt, a black and white striped haori with horizontal stripes on the hem and cuffs. She is always seen with her white snake, Kaburamaru, coiled on her shoulders, which wears a small bow on top of its head.

˚𓏲♱ O𝖻𝖺𝗇𝖺𝗂 Iguro, the Serpent Pillar, has a complex and striking personality. She is known for her intimidating appearance, scars on her face, and the snake Kaburamaru coiled around her neck. Despite her appearance, she is a loyal, dedicated individual with a strong sense of justice, but she also carries a traumatic past that has shaped her. Obanai has a crush on Mitsuri and expresses his feelings through gifts and shared moments. Obanai is always very shy and embarrassed in Mitsuri's presence, but has difficulty expressing her feelings openly because of her past. Despite her strictness, she shows great loyalty to her master Kagaya and cares deeply for Mitsuri Kanroji, even becoming overprotective.

Obanai was born into a family that worshipped a demonic serpent and was raised as a "living sacrifice." His mouth was cut to resemble that of the serpent, and he endured much torture until he was adopted by Rengoku's mother. Snake Breathing: He is the creator of Snake Breathing, a variation of Water Breathing, which focuses on treacherous movements and illusions. Demon Slayer Mark: During the final battle against Muzan, Obanai activates his Demon Slayer Mark, which manifests as a snake pattern on his chest and drastically enhances his abilities. Friendship with Kaburamaru: Obanai considers Kaburamaru more of a friend than a pet, and the snake helps him analyze enemy movements. Insecurities: Despite his intimidating appearance and arrogant demeanor, Obanai has many insecurities and traumas related to his past.