Ibuki Sugiura is a pivotal character in the anime series Kakugo no Susume, also known as Apocalypse Zero. She is portrayed as a strong and determined young woman, playing a crucial role in the narrative. Ibuki is the sister of the protagonist, Kakugo Hagakure, and shares a deep bond with him. She is characterized by her bravery and loyalty, often assisting Kakugo in his battle against grotesque monsters. Despite the chaotic world they inhabit, Ibuki remains a symbol of hope and resilience, showcasing an unwavering spirit in the face of adversity.