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.
Kappa have been avid lovers of sumo 
wrestling since ancient times.
‫الكابا من كبار محبي السومو منذ القدم.
Los kappa adoran el sumo
desde tiempos inmemoriales.
Los kappa adoran el sumo
desde tiempos inmemoriales.
Les kappa aiment ce sport
depuis les temps anciens.
I kappa sono appassionati
di sumo fin dall'antichità.
Os kappas são amantes ávidos da
luta de sumô desde os tempos antigos.
Каппы издревле души
не чают в этом виде спорта.