Found the missing voice (ps2 version)

Update/onik_015_03.txt

@@ -66,6 +66,7 @@
 	DrawBustshotWithFiltering( 3, "oi_si_de_a1", "right", 1, 160, 0, FALSE, 0, 0, 0, 0, 0, 20, 300, TRUE );
 
 //「五萬切ってもテンパイ崩れませんから。＠
+	PlaySE(3, "S01/19/123100003", 128, 64);
 	OutputLine(NULL, "「五萬切ってもテンパイ崩れませんから。」",
 		   NULL, "\"You're still in tenpai if you cut the 5 manzu.\"", Line_WaitForInput);
 	OutputLineAll(NULL, "\n", Line_ContinueAfterTyping);