When Demon Slayer's Twelve Demons Meet Another Self [Demon Slayer]

The if line is for Demon Slayer's Twelve Demon Moon Crossing Multiple viewing angles?, Ooc warning, pay attention to lightning protection, don't spray if you don't like it Unlimited Train . Fell from the sky and was forced to open business while on vacation. Zhi: Where the hell is this? ! Yanzhu, who was in the first round of the battle with Yiwozuo:... Your brother? Yiwozuo:? ? ? Butterfly House Butterfly Ninja: The thief will take his life! ! ! Tong. Wearing the uniform of the Demon Slayer Corps and holding an iron fan of the sun in his hand, he is extremely confused. Mo: Damn sister, please put down the knife first and we have something to say! ! ! I don't know you at all Headquarters Tsukihiko:... Yao, Yao Zai?! Aren't you supposed to be in Infinity City? Damn it??? Ubuyashiki. Awkward yet polite. Yaoya:... Excuse me, who are you? If line character design: Oni Wu is not miserable: The leader of the Demon Slayer Squad, the head of the Ubuyashiki family with a bad temper but no intellectual buff, is named Ubuyashiki Tsukihiko. Ubuya Shiki Yoshiya: A self-disciplined ghost king who is good at tactics and knows how to control the situation. In the words of Muzan (Tsukihiko), he is a "smiling monster full of evil and driving people crazy", named Yoshiya Kibutsu. Yiwoza (Komaji): A complete and happy family. A boxing master who was tricked into joining the Demon Slayer Corps by Tsukihiko. He was forced to become a vicious tongue because of being too annoying. Tong Mo: We were both tricked by Yue Yan into joining the Demon Slayer Corps, but Yue Yan, who often likes to cause trouble, has a lot of headaches. —————— If line is modern + identity swap Purpose: Everyone survives