Books like Death Note, Vol. 6
Tsugumi Ohba, Takeshi Obata
Death Note, Vol. 6 is 219 pages, about 4 hours 1 minute at 250 words a minute.
12 books to read next
How long each takes
Harry Potter and the Deathly Hallows 12.9 h 
Boruto 3.8 h 
JoJo's Bizarre Adventure, Vol. 8 4.0 h 
Naruto, Vol 1 3.5 h 
Jojo's Bizarre Adventure 4.9 h 
Avatar 1.4 h 
ドロヘドロ 3.1 h 
青の祓魔師 1 3.5 h 
Naruto 33 3.5 h 
First Kiss 4.0 h 
Watchmen 7.7 h 
美少女戦士セーラームーン 1 3.5 h Bar height shows length. Estimated at 250 words a minute.