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.
Surely you've got some kind 
of group activity planned?
‫بالتأكيد خططت لنشاط جماعي ما، صحيح؟
Du hast sicher irgendwas geplant,
was wir gemeinsam machen können, oder?
T’as prévu un truc pour nous tous,
non ?
Avrete sicuramente in programma
qualche attività di gruppo, no?
Você tem mais coisas planejadas
pra fazer em grupo, né?
Неужели у тебя нет планов,
чем нам заняться?