KurosagiKurosagi.

Kurosagi (クロサギ; lit. 'The Black Swindler') is a Japanese manga series written by Takeshi Natsuhara and illustrated by Kuromaru. It was serialized in Shogakukan's seinen manga magazine Weekly Young Sunday from November 2003 to July 2008, with its chapters collected in 20 tankōbon volumes. It was followed by Shin Kurosagi (2008 to 2012), Shin Kurosagi: Kanketsu-hen (2012 to 2013), and Kurosagi Sakidō: 18-sai Shinseijin Sagi Hanzan-hen (2022); the three were serialized in Weekly Big Comic Spirits.