Kenranbankara is a Manga/Manhwa/Manhua in english language, yunpaku Natsume series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

[Yankees], those who awaken exceptional powers with the potential to scorch the earth. The strongest and most sinister of delinquents despised by all. Rampaging in Tokyo’s Neko-oka district, infamous for its conflict, this generation’s greatest showdown of these yankees starts now.