Some articles on kurogasa:

Rurouni Kenshin Characters - Antagonists - Udō Jin-e
... Jin'e?) (in Western order, Jinei Udoh), also known as Kurogasa (黒笠?, Black Hat), was a hitokiri during the Bakumatsu, and there is evidence he continued killing ... Kurogasa is obsessed with defeating Himura Kenshin when he meets him during Kurogasa's attempted assassination of Tani Jūsanrō, a government official ... Kurogasa kidnaps Kamiya Kaoru the next day, in an effort to force Kenshin to once again become a hitokiri ...