Shinobu Kocho, also known as the Insect Hashira, is a character from the anime and manga series Demon Slayer. This poster features Shinobu in her distinctive butterfly-themed outfit, with her trademark butterfly-shaped hairpins and intricate sword. The poster is titled "The Insect Hashira's Venomous Beauty", referencing her expertise in poison and her deadly fighting style. The background of the poster features a close-up of Shinobu's butterfly wings, with a swirling, ethereal effect that gives the poster an otherworldly feel.