. "Male"@en . "Deceased"@en . . "Seiichi Katsuragi is Yako's father. He is dead by the start of the series as a result of a murder. The mystery of his death was the second one to be solved by Neuro in the manga, though in the anime it was solved much later."@en . . "Seiichi Katsuragi"@en . . . "Seiichi Katsuragi is Yako's father. He is dead by the start of the series as a result of a murder. The mystery of his death was the second one to be solved by Neuro in the manga, though in the anime it was solved much later."@en . "Seiichi Katsuragi"@en . "Haruka Katsuragi"@en . . "X"@en .