I'm in Tokyo at Night and I'm Fighting a Hundred Ghosts

Travel through neon Tokyo and become a private detective. Watanabe Shosuke just wants to help young and beautiful rich ladies solve their needs. But he was forced to stage a death escape in this international city. Gangs in the police station, urban ghost stories, monsters walking at night, strange stories from the shrine... Either being chased by people, or chasing ghosts. Then, he opened a door—— "Your Highness, why are you here? My husband is at home..." Hey, don't say anything— Working as a ghost detective in Tokyo, four high school students and one underage~