People say that you can use the kokkuri board to talk to the dead...
Azusa, Sae, and Megu are 3 friends who decide to try this new fad at their school.
Supposedly the sumo club room in the abandoned school building has a lot of spiritual
energy floating around, so the group decides to test the kokkuri board there.

The girls had a lot of fun at first, joking around about sumo in the empty room.
But when itcame time to use the board, the unexpected happened --
an enormous sumo ghost appeared. And what's more, he's a former champion.

"I won't forgive those who show disrespect to sumo" he said.
"Let me show you my strength..."