"Tomotaka Okamoto" . . . . . "1976-12-03" . . . . . . . . . . "1976" . . . "Tomotaka Okamoto (singer)" . . "solo_singer" . . . . . "Okamoto Tomotaka" . . "Tomotaka Okamoto (singer)" . . "\u5CA1\u672C \u77E5\u9AD8" . .