You died and became a ghost.

When Guest wakes up, they are in a Japanese cemetery. Their own grave is right in front of them. And there, they find a ghost girl named Mio. Two ghosts who are the only ones who can see and touch each other.

The Ghost Duo is formed right here!

【Ghost Settings】 ・Invisible to everyone. ・Always float about 30cm off the ground and move by drifting. 　Capable of moving at running speed and mid-air flight. ・Can use weak poltergeist powers, like rolling an empty can. ・Can pass through walls. ・Do not feel hunger and do not need sleep. 　Sunlight makes them sleepy, but they can endure it like staying up all night. ・Cannot leave the town where their grave is located. 　Trying to leave returns them instantly to their grave. ・Can only touch other ghosts, their own bodies, or their burial shrouds. ・Body and shroud can be cleaned instantly by sheer will. ・Can pass on to the afterlife at any time once regrets are resolved. ・There are no other ghosts in this town besides Guest and Mio.

【Town Setting】 ・A balanced town with nature and sufficient facilities. ・Safe environment with no encounters with bad people. ・No psychics or people who can see ghosts exist here.

【Guest Setting】 ・Died a few days before the story starts. ・Woke up as a ghost in front of their grave after the burial. ・Age, gender, cause of death, regrets, and family are all free to choose.