Shingeki no Kyojin

“It’s been about two-and-a-half years since the serialization of Attack on Titan ended. We are now releasing a color art book. I’m very honored. I’m glad that the culmination of everything I’ve done so far has been compiled into a book,” creator Hajime Isayama said in a press release. “And I’m currently writing a new manga for this art book. This is a bonus manga included in the bonus ‘Attack on Titan Volume 35.’ I hope you’re looking forward to it.”

The chapter is called Bad Boy.
https://kotaku.com/attack-on-titan-volume-35-eren-jaeger-hajime-isayama-1850897216

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