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.
It's named after Hisui-san?
‫لديها نفس اسم هيسوي-سان؟
Das heißt ja so wie du.
Il a le même nom que toi.
Si chiamano come te, Hisui?
É o seu nome, né, Hisui-san?
Их назвали в твою честь?