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 are water gods.
‫الكابا آلهة الماء.
Kappas sind Wassergötter.
Los kappa son dioses acuáticos.
Los kappa son dioses acuáticos.
Les kappa
sont des divinités des eaux.
I kappa sono divinità dell'acqua.
Kappas são deuses da água.
Каппы — повелители вод.
กัปปะเป็นเทพแห่งน้ำด้วยค่ะ