In the third episode, Goblin Kim Shin and Goblin Bride Eun-joo said that they should not meet, because Kim Shin was going abroad, and Kim Shin thought that Eun-joo couldn't see the sword on his body and thought that Eun-joo was not the real Goblin Bride, and then Goblin Bride When he grilled squid for Yoo In Na's fried chicken shop owner, he accidentally caught fire and blew out the fire, thus summoning the ghost Kim Shin. At that time, Kim Shin was also missing the ghost bride Eun Joo in the library. The book I read seems to be "Men Without Women" by Haruki Murakami
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