Ittosai Kunieda

邦枝 一刀斎
Aoi and Kouta039s grandfather. He is the master of the shingetsu style and Kunieda039s instructor. He has a violent personality and is a very stern man with a hairtrigger temper. He also adopts an attitude of fighting first asking questions later. source: Beelzebub.wikia.com
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