The Prodigy of Iron Calls

Tetsunaki no Kirinji
鉄鳴きの麒麟児

Sequel

The Prodigy of Iron Calls: Kabukichou Domination Arc
Tetsunaki no Kirinji: Kabukichou Seiatsu-hen· 鉄鳴きの麒麟児 歌舞伎町制圧編
manga

Continuation of Tetsunaki no Kirinji. Kiriya Rinji is 30 years old, divorced, and unemployed. His only talent is playing online mahjong. Needing a way to make money to pay for child support, he goes to the seedy Kabukichou district to play real mahjong for cash. Will his online skills translate to real-life winnings?

Spin-off

King of the Ants
Ari no Ou· 蟻の王
manga

The moment Kisaburo Rikudo, head of the conglomerate controlling all of Japan, dies, the life of his illegitimate son, country delinquent Shiro Aguri, is turned upside down! Dragged into a no-holds-barred survival battle with knives, crossbows, Japanese swords, and guns...!? The ultimate delinquent VS state power! Brutal violence beyond anything you've seen!!