Sundome
Volume 1

The Roman Club, a school group interested in the occult to which he's practically enslaved, has become boring for one Hideo Aiba. In fact, he finds his entire existence pretty tiresome until, one day, when a girl named Kurumi Sahana shows up and wants to join up. When the two are left alone in the club classroom, Kurumi makes a special request of Hideo, which makes him freak out...