portrayed in Sekien TORIYAMA 's yokai art collection book : Gazu Hyakki Tsurezure Bukuro ( The Illustrated Bag of One Hundred Random Demons ; the term ' hyakki ' in its title is a pun on the usual hyakki , replacing the character for demon which is written as ??? in Japanese with a character for vessel written as ??? , and sure enough , most of the yokais shown in this book are tsukum