The poster features Shinobu Kocho, the Insect Hashira, in a striking pose, holding a butterfly-shaped sword with a venomous liquid dripping from its tip. She is depicted wearing her signature butterfly-themed outfit, complete with butterfly-shaped hairpins, and her eyes are shown with a fierce determination. In the background, there are images of butterflies and flowers, highlighting her affinity with nature and her role as an expert in insect-based combat techniques.