Remaining one in this world, the main character needs to be found
all kinds of clues and reveal a bunch of puzzles to get to your
home through a completely empty and filled with something strange city, thereby hoping to find someone and if not to find, then return.
A bright flash in the sky at night contributed to the disappearance of all people.
All disappeared somewhere and who else but you will have to
find out where everyone went.

Note:
- the ability to connect a mouse through an OTG cable;