Tatsuya Shirogami

Ryuji039s late father who was killed by Odawara. Also known by his title Nidaime the 2nd generation. Ryuji grew to look almost exactly like him. He was admired much by Kamosan. He had a promise with Kaya regarding her sister that Ryuji fulfilled and took personal interest in Kamosan039s intent on getting revenge. He had given Ryuji to Kamosan after he was released from the hospital giving him the name 039Ryuji039 the name Kamosan was planning to give to his son. Source: Wikipedia