Vivild, a catastrophe-class demon with immense power, lurks among the livingand anyone and everyone is a suspect! As their target is a master of disguise, the Book Burners cant be too careful in their search, but who can be trusted? Obviously, theres only one way to find outhitting the water park?! The revealing swimsuits should make it harder to hide any demonic seals, but they also seem awfully convenient for Mitsunari, whos having trouble hiding his impure gaze