User blog comment:B214/Volume 23 discussion blog/@comment-98.155.122.159-20170318182204/@comment-10330822-20170319020952

Nakiri is the head of one of the Five Families, so he probably uses the families Sacred Beast, the Ouryuu, to fight. In addition, it is said he's a fist-fighter, like Issei, which could contribute into why he looks up to Issei.