ensemble poster design — Centered Group · Oversized Title · High Contrast

An anime poster of adult demon slayers clustered with swords and masks, a red-and-black logo at the bottom. The background is white-gray with ink washes. In the center, an adult man in his twenties with red hair and a scar shouts, holding an adult woman with long black hair; around them, a blue-eyed adult swordsman with a katana, a masked adult woman, a white-masked adult figure, a red-faced tengu elder, and a shadowy demon loom. At the bottom, a red-and-white circular logo with black characters reading "TITLE" and red characters reading "TITLE" beneath; a tiny copyright line at the very bottom. The lighting is dramatic and high-contrast, the ink washes stark. The overall composition crowds the adult fighters in the ink storm above the bold logo, joining a ink-black, blood-red, and white palette in a dynamic anime style that feels intense, emotional, and thrilling, the sibling's bond. The scar is the mark. The sword is the vow. The masks are the teachers. The demon is the shadow. The woman's rest is the mission. The man's shout is the promise. The red logo is the brand. The white is the page. The poster is the first chapter. The bond is the blade. The man's red hair is wild. The scar crosses his forehead. His mouth shouts. His blue kimono is patterned. The woman's black hair is long. Her bamboo muzzle is strapped. Her eyes are closed, peaceful. The swordsman's blue eyes are cold. His katana's hilt is wrapped. The masked woman's green eyes show. Her fox mask is white. The white figure's mask is blank. The tengu elder's red face is fierce. The demon's shadow looms. The red logo's circle is bold. The black characters are thick. The red subtitle is brushy. The copyright's gray is tiny. The ink washes' gray is the storm. The white's blankness is the snow. The composition's cluster is the family. The man's arms protect. The woman's rest trusts. The swordsmen guard. The masks watch. The demon waits. The red is the blood. The black is the ink. The white is the breath. The poster is the bond. The bond is the sibling. The sibling is the mission. The mission is the dawn. The dawn is the blade. The blade will rise with the sun. The demons will fall. The brother shouts. The sister rests. The bond holds. The ink storm swirls, and the family stands. Unbroken. Unbowed. The bond is the blade. Always. Forever. Slay. Now.