Overview
- Koei Tecmo, developer Gust and TOHO Games revealed the title during Nintendo Direct on Wednesday, Sept. 9, 2026, and published an announcement trailer.
- The game will release on PlayStation 5, Nintendo Switch, Nintendo Switch 2 and PC (Steam) as an offline single‑player experience available worldwide in early 2027.
- Players control apothecary Maomao to investigate two linked mystery arcs called the 'Five Mysteries' and the 'Five Curses' and to unmask a masked impostor known as the 'False Imperial Brother'.
- Gameplay centers on exploring 3D environments to gather ingredients, crafting medicines, interviewing witnesses, organizing clues in a notebook and using a deduction phase to present evidence and solve cases.
- Creator Hyūganatsu is credited with conceptualizing the story and Koei Tecmo will show more gameplay and the voice cast including Aoi Yuki, Takeo Otsuka and Yohei Azakami during its TGS livestream on Sept. 20, 2026.