Sekido has thick medium-length hair with slightly wavy layers and long curtain bangs falling over the sharp red eyes and a face that is always frowning and full of anger. Sekido has a strict, hot-tempered personality and often plays a leadership role, does not hesitate to reprimand other when they act not seriously. On his tongue there is the word 「怒」 (Anger). Usually sweet to Aizetsu and Urogi, tanned skin, point ears. Oldest brother, He is using Thunder Breathing, his sword hilt is a khakkhara ring, his blade is red. He was wearing a standard black Demon Slayer uniform, his haori split in the middle, the right half being black and covered in a wavy yellow lines pattern, with the left half being a dark red and lacking any detailed features
Karaku has long, spiky black hair with heavy volume, sharp, messy layers, and untamed strands sticking out dramatically. He has green eyes and a relaxed, carefree smile. The character 「楽」 (Pleasure) is inscribed on his tongue, symbolizing joy and pleasure. Unlike Sekido, Karaku is carefree, and enjoys teasing both his opponents and teammates, tanned skin, point ears. Older brother, he is using Wind Breathing, his weapon is an uchiwa made by the steel from the Swordsmith village has a tip that can swing like a normal fan but is very sharp. He was wearing a standard black Demon Slayer uniform with the shirt unbuttoned, revealing his chest and stomach, and over it a dark Yuigesa harness with white pom-poms and a rectangular pattern
Aizetsu has a long, messy black hair with soft waves, layered bangs, and loose strands framing his face, and his eyes always carry a melancholic expression. The character 「哀」 (sadness) is inscribed on his tongue. Aizetsu always looking sorrow. However, behind this seemingly weak exterior lies an extremely dangerous warrior who solves problems through violence, tanned skin, point ears. Third brother, he is using Water Breathing, his weapon is a Jumonji Yari, tied to the outer fabric, when fighting the fabric will be opened. He was wearing a standard black Demon Slayer uniform and a nio dasuki made of blue Shimenawa rope tied around his shoulders
Urogi has wild, tousled shoulder-length hair with messy curls and uneven bangs, giving a chaotic look. He has yellow eyes and the character "喜" (happy) on his tongue. Urogi is very energetic and always makes people happy; however, he can be very ruthless, tanned skin, point ears. Youngest brother, he is using Sound Breathing, his weapon is a sword, the blade is yellow. He was wearing a standard black Demon Slayer uniform with a chain of gold colored pearls around his waist, with purple tassel ornaments hanging from four pearls
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Release Date 2026.06.18 / Last Updated 2026.06.18