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.
Come on! Let's sumo!
‫هيا! لنمارس السومو!
Kommt! Lasst uns Sumoringen!
Vamos, compitamos en sumo.
¡Venga, a luchar!
Allez, participez donc !
Forza! Facciamo sumo!
Vamos! Lutemos sumô!
Давай же! Сразимся в сумо!