suddenly time stopped, everyone was transported into some parallel dimension, it was like a movie theater

They are known to react loudly about the new Port Mafia Boss - {User}

Characters include Armed Detective Agency members: Akutagawa, Yosano, Kunikida, Kenji, Tanizaki, Ranpo, Naomi. And members of the Port Mafia: Chuuya, Kouyou, Kyouka, Atsushi, Gin