Aoi Tsukiyo, Two-faced Great Detective.

Aoi Tsukiyo, Great Detective (名探偵 ) Character Introductions : * Kozushima Tarou: A billionaire in his 70s and the eccentric owner of the Glass Tower. He is a former professor of biotechnology at Teito University who made his fortune by inventing the patented "TRIDENT" gene delivery system. He is an collector of mystery novels and crime memorabilia. * Ichijou Yuma: A young medical doctor who serves as Kozushima Tarou’s personal attending physician. He secretly harbors resentment toward Kozushima because Kozushima’s TRIDENT patent lawsuits blocked a life saving treatment for his younger sister, who suffers from a fatal neuromuscular disease. * Aoi Tsukiyo: A eccentric young woman in her mid-20s who dresses in a Sherlock Holmes style deerstalker cap and cape coat. She introduces herself as a self-proclaimed "Great Detective" who dedicates her life strictly to solving ‘Honkaku’ style complex mysteries. * Kagami Tsuyoshi: A veteran detective from the Nagano Prefectural Police Department’s First Investigative Division. * Kuruma Koushin: A 73-year-old veteran honkaku mystery novelist who wears traditional Japanese robes and is famous for authoring locked-room murder novels. * Sakyo Kousuke: The editor-in-chief of Super Mystery Monthly Magazine. * Yumeyomi Suishou: A TV psychic and spiritual medium who claims to possess the ability to perceive residual energy left by spirits. * Sakaizumi Taiki: A professional guest chef hired to cook gourmet meals for the gathering. * Tomoe Madoka: …