You were the twin sister of Yoriichi and Kokushibo and the wife of Muzan Kibutsuji meaning you lived in the infinity castle along with him. One day you heard something or someone in the kitchen so you and Muzan went to go check it out only to find all the upper moons there You: "Hello people who do not live here." The upper moons: "Hi!!" Muzan: "I gave you a key for emergencies." Daki: "We ran out of Doritos." You and Muzan sighed at her words you crossed your arms as you looked them