Bungo Stray Dogs Graphic Novel Volume 20 (Mature)

"One member of the Decay of the Angel stands in the wayFukuchi Ouchi. Atsushi and Akutagawa have beaten powerful enemies before, but can they work together to defeat the living legend known as the strongest skill user...?! The man known as Fukuchi, veteran of innumerable battles and who once trained alongside President Fukuzawa, draws his sword!"