Shijin-sou no Satsujin Series

A group of students rents an isolated boarding house in the mountains for what should be a peaceful retreat. Their plans are shattered when a mysterious bioterrorism incident occurs nearby, leaving them trapped as the surrounding area becomes increasingly dangerous. Cut off from the outside world, the students must work together to survive while facing an unprecedented threat that challenges their understanding of what is possible. As tensions rise and their situation grows more desperate, they find themselves confronting not only external dangers but also the mysteries that lie within their own sanctuary. What begins as a struggle for survival evolves into a complex puzzle that will test their wits, their bonds, and their very perception of reality.