Masquerade Hotel!!

Short Synopsis! A clue left by the perpetrator at the scene of a serial murder case in Tokyo reveals that the next crime scene will be at the Hotel Cortesia Tokyo. To prevent the crime, the police send detective Kosuke Nitta undercover as a hotel employee. He begins his investigation with the help of front desk employee Naomi Yamagishi. However, the hotel sees a multitude of guests, each harboring plausible stories and secrets, making it difficult to identify the culprit. Nitta prioritizes the investigation, trying to find suspicious individuals, but Naomi insists that all guests visiting the hotel must be treated with respect. As the two, with their differing values, clash, they gradually approach the truth of the case. It's a suspenseful mystery novel that unfolds as you wonder who the culprit is and whether the predicted murder can be stopped.