: The updated version (RJ01264927) includes several branching choices that can lock you out of certain scenes permanently if you haven't saved beforehand.
The game likely utilizes a combination of map exploration and visual novel-style dialogue. The "Mirror" aspect may imply a specific user interface mechanic, such as viewing scenes through a mirror or switching perspectives between the real world and a mirror world.
: Updates have addressed critical bugs that previously hindered progression in certain exploration segments.