Azusa, Saei, and Megu, who are always good friends, are said to be popular at school. After school, we gathered to actually try the necromancy Kokuri-san who will answer anything when asked. The practice room of the sumo club in the old school building, which is no longer in use, I heard rumors that it was the most suitable spot for ghosts, and headed there immediately. In a dimly lit room, the three people who are not familiar with sumo have their own image of a sumo wrestler. After talking funny and exciting, The moment I finally tried to call Mr. Kokkuri- Don't! Something appeared in front of the three people with the shock. It was the spirit of a large, huge sumo wrestler. And the man says. It's okay to make a fool of a sumo wrestler. Know your strength and your body.