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.
You're free to do whatever 
until then. That's all.
‫يمكنكم فعل ما تريدون قبل ذلك. هذا كل شيء.
Bis zu diesem seid ihr freigestellt.
Das ist alles.
Hasta entonces,
pueden hacer lo que quieran.
Hasta entonces,
podéis hacer lo que queráis.
Jusque-là, quartier libre.
C’est tout.
Fino a quel momento
potete fare ciò che volete. È tutto.
Vocês estão livres até lá.
Isso é tudo.
А до тех пор занимайтесь
чем угодно.