Both display fine, but I relpaced the tilde character used in Sui with the version used in the PC release for consistency.

Update/zonik_009_vm0x_n01.txt

@@ -17,7 +17,7 @@ void dialog001()
 	OutputLine(NULL, "「な、…なぁんだ…！",
 		   NULL, "\"Oh... Ohhh...!", Line_WaitForInput);
 	ModPlayVoiceLS(3, 3, "ps3/s19/03/500300732", 256, TRUE);
-	OutputLine(NULL, "　てっきりおじさんは圭ちゃんの・・・　あははははっはぁ～！！」",
+	OutputLine(NULL, "　てっきりおじさんは圭ちゃんの・・・　あははははっはぁ〜！！」",
 		   NULL, " This old man thought you meant it was Keiichi's... Ahahaha.. haaa!!\"", GetGlobalFlag(GLinemodeSp));
 	if (GetGlobalFlag(GADVMode)) { ClearMessage(); } else { OutputLineAll(NULL, "\n", Line_ContinueAfterTyping); }
 }