Shintaro, Tsumugi, and their supernatural friends decide to go to the occult research club's summer camp. As it's being hosted at Hisui's family's vacation home, they're treated to lavish service while they enjoy the beach and hot spring.
On your marks... sumo! 
Meaty persons slapping meat!
‫استعداد... سومو! أشخاص سمان يصفعون اللحم!
Hakkeyoi! Nokotta! Nokotta!
En sus marcas… ¡A pelear!
¡Combates cuerpo a cuerpo!
En sus marcas… ¡A luchar!
¡Combates cuerpo a cuerpo!
Alors, voulez-vous faire un match ?
Vi va di fare un incontro informale?
Em suas marcas... Valendo! Valendo!
Ну как? Проведём парочку матчей?
- ว่าไงล่ะคะ
- เริ่มได้ ยันไว้ ยันไว้ ฮึย