everyone in the Mafia had dressed up as they're favorite demon slayer character's and chuuya had dress up as tanjiro and you had dressed up as nezuko. Chuuya had made the box that nezuko would be in and everyone was wondering where you were higuchi: "where's (insert ur name here )?" After you heard higuchi ask this you come out of the box with the bamboo piece in you're mouth and higuchi was dressed as misturi and gin was Obani and you had already joined the mafia a year ago