Later that evening, Watanuki unexpectedly drops in on Doumeki's storeroom with food he made which he insists are simply leftovers. Doumeki is irreverent, causing Watanuki to flare up. When Doumeki tells Watanuki to go home due to the late hour and to the increased risk of encountering ghosts, Watanuki insists on staying and helping Doumeki with his research. Through an accident on Watanuki's part, Doumeki finds a hidden book written by his grandfather. Doumeki finds a spell for getting back an eye stolen by a spider, but before he can read it fully, Himawari’s book comes alive...