![The Book of Us : Entropy by DAY6 (Album; JYP; JYPK1101): Reviews, Ratings, Credits, Song list - Rate Your Music The Book of Us : Entropy by DAY6 (Album; JYP; JYPK1101): Reviews, Ratings, Credits, Song list - Rate Your Music](https://e.snmc.io/i/600/s/dca3d42995ced87f86741057d5342adc/8749242/day6-the-book-of-us-entropy-Cover-Art.jpg)
The Book of Us : Entropy by DAY6 (Album; JYP; JYPK1101): Reviews, Ratings, Credits, Song list - Rate Your Music
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DAY6 on Twitter: "DAY6 <The Book of Us : Entropy> Teaser Image #성진 # DAY6 #데이식스 #SUNGJIN #The_Book_of_Us #Entropy #Sweet_Chaos #JYP https://t.co/Jj4XhXLbiI" / Twitter
![DAY6 on Twitter: "DAY6 <The Book of Us : Entropy> Teaser Image #YoungK #DAY6 #데이식스 #The_Book_of_Us #Entropy #Sweet_Chaos #JYP https://t.co/J6oqwXZKMR" / Twitter DAY6 on Twitter: "DAY6 <The Book of Us : Entropy> Teaser Image #YoungK #DAY6 #데이식스 #The_Book_of_Us #Entropy #Sweet_Chaos #JYP https://t.co/J6oqwXZKMR" / Twitter](https://pbs.twimg.com/media/EGxFSjGU8AUfMjh.jpg)
DAY6 on Twitter: "DAY6 <The Book of Us : Entropy> Teaser Image #YoungK #DAY6 #데이식스 #The_Book_of_Us #Entropy #Sweet_Chaos #JYP https://t.co/J6oqwXZKMR" / Twitter
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