I story and Gen None jaw (25) (Young Magazine Comics) (2007) ISBN: 4063615588 [Japanese Import]

Magazine

Comic

ISBN: 978-4-06-361558-6

ISBN-10: 4-06-361558-8

Kodansha

See also:
2008コミックアゴなしゲンとオレ物語(29) (ヤンマガKCスペシャル)