Rohan Kishibe meets with fellow manga artist Jugo Shishi who has come to ask him about a word "kushagara" that his own editor has forbidden him from using unless he can discover its meaning, but he cannot find the word in any dictionary. Rohan can see that Jugo's curiosity about the word is causing him physical and mental anguish, so when he uses Heaven's Door to take a look inside Jugo's mind, he finds something crawling inside the pages of Jugo's "book"... (JoJo's Bizarre Wiki)